CNN Opinion rounds up ten of the most shared pieces of 2013 . LZ Granderson : On not-so normal days , teachers are also asked to be heroes . Bruce Schneier : The NSA is spying on us all. David Rothkopf : Hillary Clinton is likely to be the next president of the U.S .
CNN Opinion rounds up ten of the most shared pieces of 2013 . LZ Granderson : On not-so normal days , teachers are also asked to be heroes . Bruce Schneier : Welcome to an Internet without privacy ; we 're here with hardly a fight . David Rothkopf : Hillary Clinton is likely to be the next president of the U.S .