Tatum would play a man who suddenly becomes a math genius at age 31
The two previously worked together on "The Brothers Bloom"
The "Foxcatcher" star seems bewildered by the attention over the video
Toronto 2014: Bennett Miller's wrestling drama wins raves, as do stars Steve Carell, Channing Tatum and Mark Ruffalo
New Michael Keaton and Steve Carell movies make their U.S. debuts, kicking off what might be an awards-season battle
Columbia will co-finance and distribute Miller's follow-up to "Moneyball"
Billionaires like Megan Ellison are bringing us films like "The Master" and "Zero Dark Thirty," but that may not be a good thing