WASHINGTON (AP) -- President Bush passed up a chance Wednesday to express confidence in senior aide Karl Rove in a political fight over a news leak that exposed a CIA officer's identity. The lack of endorsement surprised some White House officials who had been told Bush would back his embattled friend. "It's a tempest in a teapot," said Denzil Garrison, former state GOP leader in Oklahoma. But some Republicans said Rove may need to go. "I think he should resign," said Jim Holt, a Republican state senator in Arkansas who is running for lieutenant governor. "I hope Karl Rove doesn't...