'Stonewall' trailer critics: Film whitewashes history

Director Roland Emmerich might have expected heaps of praise from the LGBT community when the trailer for his film Stonewall was released last week.

Instead, he found himself in a swirl of criticism aimed at his film, which depicts the real-life New York City riots that sparked the gay rights movement. .

So, what's the backlash all about? Race, some LGBT activists assert.