An anonymous group claimed it was behind the release of pigeons over the city of Las Vegas that are wearing MAGA hats and -- in at least one case -- a wig that resembles President Trump's hair. The group, calling itself Pigeons United To Interfere Now, or P.U.T.I.N., called it an "aerial protest" of Wednesday night's Democratic debate, local Fox affiliate KVVU reported. They also released a video of birds wearing the headgear, with a voiceover of dialogue from the Alfred Hitchcock film "The Birds." PIGEONS WEARING TINY COWBOY HATS POP UP IN LAS VEGAS, SPARKING CONCERN FROM ANIMAL RESCUERS...