Rick Santorum turns to his wife, Karen, on Tuesday after announcing in Gettysburg, Pa., that he is suspending his run for president. Front-runner Mitt Romney said in Delaware that he will now start seriously pondering a list of vice-presidential prospects. (Associated Press)

Rick Santorum turns to his wife, Karen, on Tuesday after announcing in Gettysburg, Pa., that he is suspending his run for president. Front-runner Mitt Romney said in Delaware that he will now start seriously pondering a list of vice-presidential prospects. (Associated Press)