Stephen Colbert takes a selfie with Jimmy Fallon during the debut episode of &amp;quot;The Tonight Show Starring Jimmy Fallon&amp;quot; on February 17. &amp;lt;a href=&amp;quot;http://www.cnn.com/2014/02/18/showbiz/tv/jimmy-fallon-tonight-show-debut/index.html&amp;quot;&amp;gt;Fallon is the latest&amp;lt;/a&amp;gt; in a six-decade line of &amp;quot;Tonight&amp;quot; hosts.