NEW YORK — Put 300 NBA players and their outsized personalities in a bubble, give some of them cameras to record themselves, add the tension of social justice unrest, and you get “Game Change Game,” a Tribeca Festival documentary that gives viewers a rare behind-the-scenes look at how the basketball league coped during the turbulent summer of 2020. The brainchild of former MTV president Christina Norman, who is now Head of Content at the National Basketball Players Association, the movie had its world premiere Tuesday at the SVA Theater in Chelsea. The 110-minute film, directed by first-time d…
