On HitFix’s “Best TV Shows of 2015” list, I made Comedians in Cars Getting Coffee my No. 2 pick. So I’m thrilled Jerry Seinfeld’s web series is coming back early. Season 7 (already?) premieres Dec. 30 on Crackle, a service that crosses the border and is free. Guests include Will Ferrell, Steve Martin, Garry Shandling, Kathleen