The Patriots coach will discuss Spygate tonight on the CBS Evening News with Katie Couric.
Belichick spoke earlier in the day with CBS reporter Armen Keteyian. The program will air from 6:30-7 p.m. eastern time. 
I'm frankly somewhat surprised that Belichick is going to talk, because he has been less than forthcoming on the subject of Spygate. Evidently, he's got a few things to get off his chest now that former video employee Matt Walsh has had his say with NFL commissioner Roger Goodell and Sen. Arlen Specter (R-Pa.).
I have a feeling Belichick will say some things that will not cast Walsh in quite the positive light that Specter put him in the other day on Capitol Hill.
Just a hunch.