Stephen Colbert arrives at 'The Late Show with David Letterman'.Stephen Colbert arrives at 'The Late Show with David Letterman'. <P> Pictured: Stephen Colbert <P> <B>Ref: SPL388163 030512 </B><BR/> Picture by: ???? Kyle Blair / Splash News<BR/> </P><P> <B>Splash News and Pictures</B><BR/> Los Angeles:	310-821-2666<BR/> New York:	212-619-2666<BR/> London:	870-934-2666<BR/> photodesk@splashnews.com<BR/> </P>
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