Daniel Barnz (born 1970) is an American screenwriter and director. He is openly gay and later changed his surname to an amalgamation of Bernstein and Schwartz, the surname of his partner of almost two decades, Ben Schwartz. The couple has two children. Barnz describes himself as "a Jewish liberal Democrat". His film Won't Back Down (2012) received mixed reviews and garnered controversy; it was attacked by Randi Weingarten, head of the American Federation of Teachers (AFT), the predominant national teachers' union, as having "the most blatant stereotypes and caricatures I have ever seen-even worse than in Waiting for Superman", another film attacked as "anti-teacher union".

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