'It's a Distraction'

Mahershala Ali has worked for 20 years, earning Oscars for “Moonlight” and “Green Book.” But the new drama “Swan Song” is his first leading film role. He’s also a producer on the project, which came naturally since he feels he’s been doing some of that work — without the credit — for years. Ali tells us why “Swan Song” was the right film for him to take on a role behind the camera too.