Daniel Penny’s lawyers argue he protected others, prosecutors say he ‘went too far’ as NYC subway manslaughter trial begins CNNProsecutor says veteran’s subway chokehold went ‘too far.’ Defense says his ‘courage’ helped others The Associated PressDaniel Penny trial: Marine veteran’s defense says Jordan Neely’s four words justified deadly subway chokehold Fox NewsIn Subway Chokehold Trial, Lawyers Spar Over Daniel Penny’s Chokehold The New York TimesMan on trial in NYC subway death went ‘way too far,’ prosecutors say in opening statements NBC News