Oh yes, he's changed the tone in Washington.

This is from an important new article from the Washington Monthly.

"The Gate-less Community" by Joshua Green But something changed when George W. Bush became president. The current administration has not lacked questionable behavior: Karl Rove met with Intel executives in the White House even as he held a significant amount of Intel stock; Deputy Interior Secretary J. Stephen Griles, a former coal-industry lobbyist, intervened in an energy-exploration dispute on behalf of former clients; Dick Cheney met repeatedly with energy company officials who appear to have had a strong hand in formulating the administration's energy policy; and, of course, there is White. Yet each retains his job. Eighteen months into Bush's term, his only appointee to resign under a cloud is Michael Parker, the former civilian chief of the Army Corps of Engineers, and not over allegations of corruption, but for what this administration views as the one true deadly sin: disloyalty. (Parker publicly criticized the president's budget.) By contrast, two years into the Clinton administration, 10 political appointees had resigned; under the elder Bush, eight; under Reagan, 13. What has changed isn't so much the conduct of officials, but the standards by which they're judged. The "new tone" that George W. Bush brought to Washington isn't one of integrity, but of permissiveness.(emphasis added)

And here's the most important quote in the whole thing:

Even these changes in the culture of Washington scandal, however, don't fully explain White's continuing presence. At some point, won't he become too big a political liability? I put that question to one of his closest aides, who told me an amazing story: During a trip to West Point on June 1, Bush pulled White aside for a private talk. "As long as they're hitting you on Enron, they're not hitting me," said Bush, according to this Army official. "That's your job. You're the lightning rod for this administration."