FIFA taking heat for concussion protocol

RIO DE JANEIRO, BRAZIL - JULY 13: Christoph Kramer of Germany lies on the pitch after a collision during the 2014 FIFA World Cup Brazil Final match between Germany and Argentina at Maracana on July 13, 2014 in Rio de Janeiro, Brazil.  (Photo by Laurence Griffiths/Getty Images)

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    FIFA taking heat for concussion protocol

Concussions in soccer are in the spotlight after head injuries at the 2014 World Cup. CNN's Sanjay Gupta explains.