Are parents rethinking youth football after Chris Borland's retirement?

Chris Borland
San Francisco 49ers inside linebacker Chris Borland (50) rans back an interception as New York Giants' Odell Beckham (13) and Preston Parker (83) chased him during an NFL football game Sunday, Nov. 16, 2014, in East Rutherford, N.J.
Bill Kostroun | AP