For a tiny moment in Chris Smith’s wry 1999 documentary “American Movie,” Hollywood glamour seeps into the film’s wintry Wisconsin gloom. Call it dark fate, then, that “American Movie” found itself at a Sundance, where Borchardt’s dream of discovery did come true — but for someone else. Mark Borchardt, right, and Mike Schank in the 1999 Sundance documentary movie “American …
