AC

MILWAUKEE -- Rick Santorum, wearing red-and-blue bowling shoes and his gray sweater vest, leans forward and focuses his gaze on the last remaining pin at the end of the lane. As the speakers overhead blast Jessie J's " Domino" -- I'm feelin' sexy and free! Like glitter's raining down on me! -- Santorum takes three wide steps toward the line, swings his arm back and thrusts the heavy ball forward. It knocks the pin down with a whack. "That was Romney!" Jim Bob Duggar shouts over the music, pointing to the defeated pin. "Spare!" the text on a television screen above his head blares, before flashing a silhouette of two well-shaped girls in tight jeans gyrating their hips in celebration of the bowler's achievement. It's Friday at Dale's Weston Lanes in central Wisconsin, and most of the crowd that attended a speech he gave earlier that night has left. Santorum is with his wife, Karen, two of their teenage children, and his traveling aides. The campaign...