Netflix will debut MITT the documentary on Friday, January 24. There are already a couple of video excerpts out there teasing the in-depth, behind-the-scenes flick that followed the Detroit native around during his presidential run, and Netflix dropped another one. Here's when Mitt starts asking what should be included in a concession speech. "What do you think you say in a concession speech?" Avenues not pursued: being pulled off stage with a cane.