PLEASED BUT CAUTIOUS: This is one of those mornings where I'm having a hard time looking away from the TV. The footage of Iraqis and U.S. soldiers tearing down the statue is almost too good to be true. Still, I feel wary, and I sure hope those soldiers don't remove their helmets or their sense of self-preservation any too soon. Bush's tone is correct: pleased but cautious, with an emphasis, right now, on cautious.