The conservative argument to act on climate change06:50
Republican Bob Inglis' belief that climate change is real helped get him booted from Congress by a Tea Party primary challenger in 2010. He talks with Chris Hayes about his ongoing efforts to convince Republicans to act on global warming.
The inexplicable weirdness of Rick Scott04:31
Bad news for some blue state GOP governors05:30
Leaks from the Mike Brown investigation surface07:27
Amazing video of Ottawa post office evacuation01:35
Who was the Ottawa gunman?07:38
Shooting attack in Ottawa stuns Canada16:11