Taser Study News Today

Going to have different training protocols. >> reporter: as for steve butler, greeting the mailman now is the highlight of his day. >> how we doing? >> pretty good. >> reporter: he doesnt dispute that he was drunk, but he blames taser for what happened to him. he says hes not frustrated or even angry, just resigned trying to spend the rest of his life trying to remember what happened. dan simon, cnn, watsonville, california. >> san franciscos police chief, who you saw there in dan simons report,...