By Ed Henry CNN WASHINGTON (CNN) – First lady Michelle Obama vowed Monday to "take no prisoners" as she and her husband launch an unprecedented bid for Chicago's 2016 Olympic bid. [cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2009/POLITICS/09/29/michelle.obama.olympics/art.michelle.obama.afp.gi.jpg caption="First lady's attitude about the effort to secure Chicago's bid for the 2016 Olympics: "Take no prisoners.""] "It's a battle – … Continue reading Michelle Obama vows to strike Olympic gold for Chicago