Gingrich focusing on ‘soft delegates,’ considering shared ticket with Santorum to challenge Romney: Wis. campaign director

GREEN BAY, Wis. — With Newt Gingrich unlikely to pick up many delegates in the Wisconsin primary on Tuesday, his state campaign director, Robert Lorge, said his mission after that vote will be to help the former House speaker persuade what he calls “soft delegates” to support him. Those “soft…