20/20

Barbara Walters interviews Venezuelan president Hugo Chavez. Also: a report on child abductions featuring interviews with Jessyca Mullenberg, a Wisconsin woman who was held (and assaulted) for four months at age 13, and the mother and brother of Jacob Wetterling, who has been missing since 1989; and a segment on memory featuring an interview with memory “grand master” Scott Hagwood, author of “Memory Power.”