Not too long after posters for what appears to be Sacha Baron Cohen?s new Showtime series, Who Is America? began appearing in Brooklyn?s Park Slope neighborhood, the comedian and actor dropped yet another teaser on Twitter. ?Imagine if Sacha Baron Cohen had been undercover secretly filming a new show for a year,? the short video asks in all caps before launching into a brief montage of the Englishman?s various disguises. It then launches into a shot of former Vice President Dick Cheney signing, at Cohen?s off-camera character?s request, a ?waterboarding kit.?