A Columbia Univ. Prof. of English & Comparative Literature discusses whether Joe Biden - who was attacked by Jon Stewart - should've apologized for saying Shylock .
Lawrence O Donnell finally responds to Tim Daly s ice bucket challenge.
While visiting MacDill Air Force Base in Florida on Wednesday, Pres. Obama stopped by an elementary school and got some barber tips from a couple of first graders.
David Rohde and Richard Wolffe predict how the American engagement with ISIS will progress in the coming months and years.
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