FILE PHOTO: Journalist Barbara Walters arrives at Ed Sullivan Theater in Manhattan as David Letterman prepares for the taping of tonight’s final edition of “The Late Show” in New York May 20, 2015. REUTERS/Lucas Jackson/File Photo
FILE PHOTO: Journalist Barbara Walters arrives at Ed Sullivan Theater in Manhattan as David Letterman prepares for the taping of tonight’s final edition of “The Late Show” in New York May 20, 2015. REUTERS/Lucas Jackson/File Photo