Taping of “The Real Housewives of Atlanta” reunion special, scheduled for last week, has been postponed as the cast deals with the death of Kandi Burruss’ former fianc, Ashley “A.J.” Jewell, an NBC Universal spokeswoman told CNN Monday. The show is now winding down its second season on the network, and the two-part episode was expected to air on October 29 and November 5.