The PA primary is on April 24.
Rick Santorum has ended his bid for the GOP presidential nomination, several sources reported Tuesday afternoon. Santorum is expected to make the official announcement later Tuesday in his home state of Pennsylvania, just two weeks before the April 24 primary election. (Click here to find your polling place.) Mitt Romney, who made a campaign stop at The Iron Shop in Broomall last week, is now likely to be the Republican presidential candidate in November.