EPA chief defends power plant rule against GOP charges of overreach

July 23, 2014 11:52 AM

UPDATED July 23, 2014 11:59 AM


More Videos

  • Firefighters light backfires to try to contain California fires

    Firefighting crews in California are lighting backfires to burn away dry vegetation and contain the massive fire that has burned at least 362 square miles north-west of Los Angeles.