By Sam YoungmanWASHINGTON (Reuters) - President Barack Obama called it - in less than 140 characters.Around 11:15 pm EST, jus...

BOCA RATON, Florida (Reuters) - President Barack Obama scolded challenger Mitt Romney for being "all over the map" ...

BIRMINGHAM, Alabama (Reuters) - Republican Rick Santorum won a pair of crucial Deep South primaries on Tuesday, taking contro...

WASHINGTON (Reuters) - Mitt Romney closed in on Rick Santorum in Ohio and picked up a crucial endorsement in Virginia on Sund...

DES MOINES, Iowa (Reuters) - Mitt Romney's crowds are larger now.And with the Iowa caucuses looming on Tuesday, it seems inev...

LAS VEGAS (Reuters) - A confident Mitt Romney criticized his Republican rivals and fended off attacks on Tuesday at a feisty ...