breaking news tonight. the multibillion dollar gamble that sent jay leno from late night to primetime and conan o'brien from new york to los angeles is over. nbc looks to be folding its hand, reshuffling the deck and licking its wounds. four months since jay leno moved to 10:00 p.m. and o'brien you took over. nbc reporting to move jay leno back and shove conan later. "the new york times" bill carter has the story up on "new york times" site this evening and likely a front page tomorrow.