The first major Democratic candidate to launch a bid for Wisconsin governor has ended his campaign. Milwaukee businessman Andy Gronik announced his decision to withdraw from the race on Thursday, following a Marquette University Law School poll that found he was supported by 4 percent of Democrats who plan to vote in the Aug. 14 primary election. "The response to my candidacy has been incredible, and we’ve been picking up momentum and supporters every day, but just not fast enough," Gronik said in a statement. "It’s time for me to step down and give someone a legitimate chance to win...