Michelle Obama proved she can curse like a trucker when around close pals, openly dropping the F-bomb at good friend Rita Wilson while also calling her a "b----", RadarOnline.com can reveal. as Obama sneered, "Rita didn't do it," about the power hike in nature. Rita Wilson bailed after 90 minutes and had a car take her back to the luxury ranch. Obama explained that she and the rest of the group were able to hear the remaining transmissions once Wilson bailed on the hike. There was the private line, where Rita could talk just to the staff, and the party line, where everybody's walkie-talkie could hear the conversation," Obama explained.