In this week's Sunday Sitdown, comedy icon Carol Burnett joins Willie Geist to talk about her new series "Palm Royale" and her rise from a difficult childhood to become one of the funniest and most influential people in American culture. In his most significant appearance since his announcement that he is battling cancer, King Charles attended Easter Sunday services in Windsor. The king has not resumed public duties since his announcement. NBC's Meagan Fitzgerald reports for Sunday TODAY. AT&T is warning more than 70 million current and former customers that their personal information may have been leaked on the dark web and to reset their passwords. The company is offering free credit monitoring to those who are affected. The men's Final Four is gearing up with the UConn Huskies facing the Alabama Crimson Tide and on the women's side, the Iowa Hawkeyes are preparing for a highly-anticipated rematch with LSU in the Elite Eight. NBC's Jesse Kirsch reports for Sunday TODAY. Demolition crews have started removing the wreckage of the Francis Scott Key Bridge as the families of six construction workers grieve and investigators question how the fully-loaded cargo ship tragically lost control. NBC's Tom Costello reports in this week's Sunday Focus.