Yesterday on the Tom Joyner Morning show gossip columnist Jawn Murray devoted almost his entire segment to going in on Usher's ex-wife Tameka after she referred to him as a disreputable journalist in a Global Grind blog. Jawn talked about how much of a nobody Tameka is and how all she got to show for her marriage to Usher is a botched tummy tuck and a empty purse. It was a real roast-fest, but the most interesting bit of tea spilt from Jawn's rant was his threat to expose audio of Tameka trying to use him to make Usher look bad before their divorce plans became public and before she got pregnant with their second child [Tameka's fifth]. Click here to listen.