September 5, 2011 3:46 pm David Arquette is “Secret Weapon” on “DWTS” David Arquette says he’s ready to “bring it” on “Dancing with the Stars” Season 13. So, how supportive are ex-wife Courteney Cox and daughter Coco? Local 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 0:44 At least 5 shot along Connecticut Avenue in Dupont Circle 1:36 O.J. Simpson's cause of death revealed 2:36 Super dad makes Mario-themed obstacle course for son's birthday