NEW : Writers Guild of America board votes to strike as of 12:01 a.m. PT 3½ months . Shows like AMPTP , `` Daily Show '' could be hurt first by walkout . Impasse concerns royalties from DVD sales and new media . Film-TV industry responsible for estimated an estimated 1.3 million Hollywood jobs .
NEW : Writers Guild of America board votes to strike as of 12:01 a.m. PT Monday . Shows like Letterman , Leno , Kimmel , `` Daily Show '' could be hurt first by walkout . Impasse concerns royalties from DVD sales and new media . Film-TV industry responsible for estimated 1.3 million U.S. jobs .