The Bush supporting GOP machine is fracturing:

In another sign of Republican unease with the president’s Iraq policies, a third GOP senator expressed support Thursday for pulling U.S. forces out of Iraq under certain conditions.

Sen. Olympia J. Snowe announced she would sponsor a bill to require American commanders to plan a withdrawal within 120 days of the bill’s enactment, unless the Iraqi government meets a series of benchmarks.

Let’s see how the White House tries to spin this into being democratic pressure.