Bush to Iran: 'All options' are open over nukes

President urges diplomacy over uranium enrichment during European visit
President Bush threatened Iran on Wednesday with more sanctions if it fails to stop enriching uranium and said all options were on the table to thwart Tehran's nuclear ambitions.

"Both the chancellor and my first choice of course is to solve this diplomatically," Bush told a joint news conference with Merkel.

Does this hurt McCain or Obama?