Romney facing challenges in presidential bid

WASHINGTON (Reuters) - In a topsy-turvy Republican race for the 2008 presidential nomination, conservative favorite Mitt Romney suddenly found himself under threat in the key states of Iowa and New Hampshire on Monday, less than two weeks before voting begins.

Shifting opinion poll numbers showed former Arkansas Gov. Mike Huckabee within 1 percentage point of Romney in Iowa and Arizona Sen. John McCain within 3 percentage points of Romney in New Hampshire. Full story.