before my resignation, some after. that was also the time my wife and i were working through things in our marriage. >> the explicit messages were sent on form spring that were published. he was using the online handle carlos danger. what had him keeping at it after it wrecked his career and strained his marriage. we have a sexting expert later but first dana bash as the latest. >> you covered the weiner scandal when it broke, did you ever think you would see what you saw today? >> no, i mean, not a chance. first of all, let's go back in time. i can't believe what happened happened at the time. but certainly, knowing the people close to him and knowing the people around them, it seemed very clear that this was his wife giving him a second chance, and that he was going to therapy and dealing with it. what was one of the many things that was extraordinary about the press conference, huma abedin revealed herself it was a year ago he did this.