David Letterman rival
Else clues• 'Headlines' comic
• Headlines presenter
• Leading With My Chin author
• Mitt Romney is so rich, he taught his dog to roll over an IRA comic
• Tonight Show host
• Follower of the news?
• He returned to his former job on March 1, 2010
• He told 18,802 political jokes in his first decade
• He'll help you ENJOY L.A.
• He's on Tonight tonight
• Host on NBC
• Lantern-jawed celeb
• Lantern-jawed host
• Late-night TV host
• Late-night TV star
• One of the subjects of The Late Shift
• Popular NBC host
• TV host since 5/25/92
• TV monologist
• TV talk host