In her biography of the first lady, "The Triumph of Nancy Reagan," Washington Post columnist Karen Tumulty examines the complicated persona of the woman who had the most significant influence on President Ronald Reagan. https://cbsn.ws/3scrsvm | CBS Sunday Morning

Nancy Reagan's casket arrives at the Ronald Reagan Presidential Library, where she will be buried next to her husband Ronald Reagan. http://cnn.it/1p8vFzL | CNN

Nancy Reagan’s casket arrived at the Ronald Reagan Presidential Library in Simi Valley Wednesday morning. Now three days of formal mourning and solemn ceremonies, which include a public viewing, for the former first lady are underway. Family and friends of Mrs. Reagan gathered for a small ceremony Wednesday (3/9) morning in Santa Monica, California. Eight Secret Service agents who served the Reagans acted as pallbearers when her body was taken from the Santa Monica funeral home. | WTVR CBS 6 New