Bob Schieffer, CBS News' chief Washington correspondent and host of "Face the Nation," joins "CBS This Morning: Saturday" from the infamous grassy knoll in Dealey Plaza with a preview of his "48 ... more 
Bob Schieffer, CBS News' chief Washington correspondent and host of "Face the Nation," joins "CBS This Morning: Saturday" from the infamous grassy knoll in Dealey Plaza with a preview of his "48 Hours" special "As It Happened: John F. Kennedy, 50 Years." less 
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Sat, Nov 16, 2013 11:45 AM EST