Bush on Iraq: `We don't set timetables'

This new, more aggressive strategy was laid out in a secret executive order signed by Bush several months ago as part of efforts to reduce Iran's clout in the neighboring country, according to administration officials.

And Bush reaffirmed his determination to stand by it.

"The Iranians have heard my message that they should not be inside of Iraq providing weapons that will harm our troops or anybody else's," the president said.