DOCUMENTARY SERIES PREMIERE: CNN’s latest documentary series about a specific decade, The Nineties, premieres tonight, with an expanded two-hour opener looking at, as usual, television. This time it’s called “The One About TV,” which is a clear nod to NBC’s Friends, one of the clear hits to emerge from that decade. Others include Seinfeld, NYPD Blue, The West Wing, The Sopranos, ER, The Larry Sanders Show, and the program charts the clear emergence of cable TV as a