Before her tweet about Lady Gaga, Perry and Brand had been publicly battling over flatulence. By James Montgomery Russell Brand and Katy Perry Photo: Mark Ralston/AFP/Getty Images Last Friday morning (June 4), Russell Brand called in to Nick Cannon’s radio program to promote “Get Him to the Greek.” But the conversation quickly devolved into far more, uh, odorous topics: farts. Or, more specifically, the farting prowess of Brand’s fianc
