Guide to All the Sundance 2015 Documentary Competition Titles, With Trailers Where Available

The 28 titles in the 2015 Sundance Film Festival Documentary Competitions were announced last week — 16 in the U.S. program and 12 in the World section. I think this crop sounds even better than last year’s. Of course, that doesn’t necessarily mean anything. Even my most anticipated in synopsis form can wind up my least favorite in film form. Some of th…