Special to the Director's Cut by Gary Levin, USA Today Five weeks into the new TV season, it's clear that few new shows are tanking in the ratings. But breakout hits are elusive, too. The top new show is CBS' "NCIS: Los Angeles." The spinoff follows the original "NCIS," which has eclipsed CSI to become TV's No. 1 drama. "L.A." and "The Good Wife," also on CBS, Fox's "Cleveland Show" and "Glee," and ABC's "FlashForward," "Modern Family," "Cougar Town" and "The Middle" are doing well enough to earn full seasons. (Cleveland has already been renewed for next season.) CW's "The Vampire Diaries" also is expected to keep going. "All in all, the networks are in decent shape" with new series, says CBS scheduling chief Kelly Kahl. "It feels a little more optimistic to me than it has" in the past. That's not to say TV doesn...