There's global warming - and it's snowing
Chris Hayes talks to his panel about global warming deniers and the season we call "winter."
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