Time for Channel 7 news director Rose Ann Shannon to have yet another long closed-door talk with her worst on-air employee.Shannon and fellow KETV management-types may tell everyone that perpetual screw-up reporter/desperation-fill-in-anchor Fubar Fazal is improving, but you have to think they're more than a little miffed that Fubar keeps pooping all over their misplaced confidence in her.Fubar's