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It continues...

Bush challenges hundreds of laws
President cites powers of his office
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Likewise, when Congress passed the law creating the Department of Homeland Security in 2002, it said oversight committees must be given information about vulnerabilities at chemical plants and the screening of checked bags at airports.

It also said Congress must be shown unaltered reports about problems with visa services prepared by a new immigration ombudsman. Bush asserted the right to withhold the information and alter the reports.

On several other occasions, Bush contended he could nullify laws creating ''whistle-blower" job protections for federal employees that would stop any attempt to fire them as punishment for telling a member of Congress about possible government wrongdoing.

When Congress passed a massive energy package in August, for example, it strengthened whistle-blower protections for employees at the Department of Energy and the Nuclear Regulatory Commission.

The provision was included because lawmakers feared that Bush appointees were intimidating nuclear specialists so they would not testify about safety issues related to a planned nuclear-waste repository at Yucca Mountain in Nevada -- a facility the administration supported, but both Republicans and Democrats from Nevada opposed.

When Bush signed the energy bill, he issued a signing statement declaring that the executive branch could ignore the whistle-blower protections.

Bush's statement did more than send a threatening message to federal energy specialists inclined to raise concerns with Congress; it also raised the possibility that Bush would not feel bound to obey similar whistle-blower laws that were on the books before he became president. His domestic spying program, for example, violated a surveillance law enacted 23 years before he took office.

David Golove, a New York University law professor who specializes in executive-power issues, said Bush has cast a cloud over ''the whole idea that there is a rule of law," because no one can be certain of which laws Bush thinks are valid and which he thinks he can ignore.

''Where you have a president who is willing to declare vast quantities of the legislation that is passed during his term unconstitutional, it implies that he also thinks a very significant amount of the other laws that were already on the books before he became president are also unconstitutional," Golove said.

Defying Supreme Court
Bush has also challenged statutes in which Congress gave certain executive branch officials the power to act independently of the president. The Supreme Court has repeatedly endorsed the power of Congress to make such arrangements. For example, the court has upheld laws creating special prosecutors free of Justice Department oversight and insulating the board of the Federal Trade Commission from political interference.

Nonetheless, Bush has said in his signing statements that the Constitution lets him control any executive official, no matter what a statute passed by Congress might say.

In November 2002, for example, Congress, seeking to generate independent statistics about student performance, passed a law setting up an educational research institute to conduct studies and publish reports ''without the approval" of the Secretary of Education. Bush, however, decreed that the institute's director would be ''subject to the supervision and direction of the secretary of education."

Similarly, the Supreme Court has repeatedly upheld affirmative-action programs, as long as they do not include quotas. Most recently, in 2003, the court upheld a race-conscious university admissions program over the strong objections of Bush, who argued that such programs should be struck down as unconstitutional.

Yet despite the court's rulings, Bush has taken exception at least nine times to provisions that seek to ensure that minorities are represented among recipients of government jobs, contracts, and grants. Each time, he singled out the provisions, declaring that he would construe them ''in a manner consistent with" the Constitution's guarantee of ''equal protection" to all -- which some legal scholars say amounts to an argument that the affirmative-action provisions represent reverse discrimination against whites.

Golove said that to the extent Bush is interpreting the Constitution in defiance of the Supreme Court's precedents, he threatens to ''overturn the existing structures of constitutional law."

A president who ignores the court, backed by a Congress that is unwilling to challenge him, Golove said, can make the Constitution simply ''disappear."

Common practice in '80s
Though Bush has gone further than any previous president, his actions are not unprecedented.

Since the early 19th century, American presidents have occasionally signed a large bill while declaring that they would not enforce a specific provision they believed was unconstitutional. On rare occasions, historians say, presidents also issued signing statements interpreting a law and explaining any concerns about it.

But it was not until the mid-1980s, midway through the tenure of President Reagan, that it became common for the president to issue signing statements. The change came about after then-Attorney General Edwin Meese decided that signing statements could be used to increase the power of the president.

When interpreting an ambiguous law, courts often look at the statute's legislative history, debate and testimony, to see what Congress intended it to mean. Meese realized that recording what the president thought the law meant in a signing statement might increase a president's influence over future court rulings.

Under Meese's direction in 1986, a young Justice Department lawyer named Samuel A. Alito Jr. wrote a strategy memo about signing statements. It came to light in late 2005, after Bush named Alito to the Supreme Court.

In the memo, Alito predicted that Congress would resent the president's attempt to grab some of its power by seizing ''the last word on questions of interpretation." He suggested that Reagan's legal team should ''concentrate on points of true ambiguity, rather than issuing interpretations that may seem to conflict with those of Congress."

Reagan's successors continued this practice. George H.W. Bush challenged 232 statutes over four years in office, and Bill Clinton objected to 140 laws over his eight years, according to Kelley, the Miami University of Ohio professor.

Many of the challenges involved longstanding legal ambiguities and points of conflict between the president and Congress.

Throughout the past two decades, for example, each president -- including the current one -- has objected to provisions requiring him to get permission from a congressional committee before taking action. The Supreme Court made clear in 1983 that only the full Congress can direct the executive branch to do things, but lawmakers have continued writing laws giving congressional committees such a role.

Still, Reagan, George H.W. Bush, and Clinton used the presidential veto instead of the signing statement if they had a serious problem with a bill, giving Congress a chance to override their decisions.

But the current President Bush has abandoned the veto entirely, as well as any semblance of the political caution that Alito counseled back in 1986. In just five years, Bush has challenged more than 750 new laws, by far a record for any president, while becoming the first president since Thomas Jefferson to stay so long in office without issuing a veto.

''What we haven't seen until this administration is the sheer number of objections that are being raised on every bill passed through the White House," said Kelley, who has studied presidential signing statements through history. ''That is what is staggering. The numbers are well out of the norm from any previous administration."

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