By Daniel Woodruff, Anchor, Multimedia Journalist MADISON (WAOW) -- A conservative Wisconsin think tank is raising a red flag about the state's Democratic senators' stay in Illinois—specifically, about who paid for it. Fourteen senators fled to Illinois in February for several weeks to stall Gov. Scott Walker's agenda. They stayed there for more than three weeks. Throughout the process, the senators repeatedly said they were paying for the trip there. But now, the conservative MacIver Institute in Madison has posted a video (http://www.youtube.com/watch?v=dZh3zehbESI&feature=player_embedded) containing a clip that the Institute says contradicts those claims. The video's announcer prefaces the clip by...