No Indictment in Police Officer's Chokehold Death

Recent deaths of young black men by police have resulted in no indictments or public trials. Will police body cameras help restore confidence in the justice system?

Also, almost 200 nations have delegates in Peru to establish new rules for another climate-change summit next year in Paris. Is progress likely or could time and resources be spent more constructively?

Photo: (L) Washington, DC protest after the grand jury failed to indict Darren Wilson in the shooting death of Michael Brown in Ferguson, Missouri, photo by Joe Newman; (R) screen grab of police using chokehold on Eric Garner in Staten Island, New York.