Those two crazy cats are at it again.  Tom Cruise and J.J. Abrams have decided to bring Ethan Hunt back for a fourth round of explosions, high-wire acts, and elaborate MacGuffins.  According to Variety, Sumner Redstone and Cruise are in the process of mending fences so they can play in the same Paramount sandbox again.  It's amazing how the prospect of money heals all wounds.  As far as Abrams' involvement, he's not attached to direct this installment of M.I. because he's working on a kickass sequel to his kickass Star Trek reboot.  But hopefully soon enough we'll again be hearing Cruise scream "Red light! Green light!" as specks of spittle fly from his mouth.