Dog Training

Evan has been able to roll over for a long time now, although he has never done it very consistently. He's recently made two leaps forward in his rolling ability:

1. He can flip from front to back or back to front in either direction at will (actually that ability isn't so new, but the inclination to do it seems to be); and
2. He can do it on command:
   

Roll Over is also one of the dog's tricks (one of the more difficult ones to teach her, actually), so maybe Evan just wants to prove that he can be just as much fun at parties as she is.