Republican presidential candidate, former Pennsylvania Sen. Rick Santorum sits in a booth at Bob's Diner in Carnegie, Pa., Wednesday, April 4, 2012. (AP Photo/Jae C. Hong)
Republican presidential candidate, former Pennsylvania Sen. Rick Santorum sits in a booth at Bob's Diner in Carnegie, Pa., Wednesday, April 4, 2012. (AP Photo/Jae C. Hong) AP
Republican presidential candidate, former Pennsylvania Sen. Rick Santorum sits in a booth at Bob's Diner in Carnegie, Pa., Wednesday, April 4, 2012. (AP Photo/Jae C. Hong) AP

Santorum joins a growing GOP White House race

May 27, 2015 12:33 PM