August 27, 2006 It Takes One To Know One; One Year Later; Gay or Straight? The one who knows one is Barry Minkow, a con man turned minister who exposes frauds. One Year Later: Byron Pitts with Mayor Ray Nagin and nothing held back. What's going on now, a year after Katrina? Why is it going so slowly? Gay or Straight (re-visit): Can science predict a person's sexuality