LOS ANGELES - Dozens of old television shows including "Welcome Back Kotter" will be available online and free-of-charge under a deal between America Online Inc. and Warner Bros. In the latest alternative to traditional TV viewing, a new broadband network called In2TV will be launched in early 2006 by AOL and Warner Bros. Domestic Cable Distribution, the companies said Monday. Besides the TV shows, In2TV will include games, polls and other interactive features. "Welcome Back Kotter," "Sisters" and "Growing Pains" are among the 30 series to be offered initially. They will be grouped on channels by genre, including comedy, drama,...