LA mayoral candidate Spencer Pratt says he can "change the political landscape"

Former reality TV star Spencer Pratt said he thinks he can "shake up city hall" as he runs for mayor in Los Angeles with no prior political experience. "I may not have the experience, but I have the common sense to say this is not working," Pratt told CBS News in an exclusive interview. The 42-year-old, a registered Republican, first made a name for himself as the resident villain on MTV's hit show "The Hills" in the mid-2000s. …