The movie has been compared to work by Michael Moore.It was released in America on Friday and has made its world premiere on Sunday in Los Angeles.It has also been widely praised for its emotional scenes of black children being beaten by police.There have been concerns about the film's racial content. One critic called it "indefensible and shocking".But some critics have expressed concerns about the film's moral weight. Some said it did not address the issue of race in America. Some even suggested it would lead