It's all about Iowa ... for now Staff
Posted: Jul 21, 2011 10:01 AM

(CNN) - Less than a month before the crucial Ames Straw Poll in Iowa, several Republican presidential candidates are focusing increased attention on the first-in-the-nation caucus state.

Former Sen. Rick Santorum of Pennsylvania officially announced Thursday that he and his family will reside in the state for the next three weeks while they try to win over Hawkeye State voters.