Crowley holds 7-point lead over Tiffany in new Wisconsin gubernatorial poll

Democrat David Crowley holds a 7-point lead over GOP opponent Rep. Tom Tiffany in Wisconsin's gubernatorial race, according to a Marquette University Law School Poll released Wednesday. The poll found 51 percent of likely voters backed Crowley, up 2 points from last month, while 44 percent supported Tiffany, indicating a slight widening of the Democrat's advantage.