LUVERNE, Minn. (AP) — As political watchers fixated on Florida, Republican presidential candidate Rick Santorum delivered a message to Minnesotans: The race is still on, no matter the outcome of Tuesday’s primary. Santorum, speaking Monday to a crowd of about 300 people at the Palace Theatre in the southwest town of Luverne, seemed determined to regain the Midwest momentum he’d enjoyed in Iowa — even on the eve of Florida’s primary, in which the senator hasn’t polled well. “I believe we’re going to be in it until the end, and I believe we’re going to win this race,” Santorum told...