Courteney Cox and David Arquette are in the midst of a trial separation. Arquette wants to get back together with her, so he did the logical thing: overshare about the relationship with Howard Stern. There's more: Justin Bieber's memoir hit stands, and Michael J. Fox wasn't always supposed to star in "Back to the Future." Tamron Hall and I don't need roads in the afternoon Scoop on MSNBC TV.