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    Shooting attack in Ottawa stuns Canada

  • Who was the Ottawa gunman?

  • Amazing video of Ottawa post office evacuation

  • Leaks from the Mike Brown investigation surface

  • Bad news for some blue state GOP governors

  • The inexplicable weirdness of Rick Scott

  • Two weeks out, midterm races tighten

    09:28
  • Voter tells POTUS not to touch his girlfriend

    05:17
  • A look at Ben Bradlee's journalistic legacy

  • Scott Brown has a border obsession

  • PA manhunt keeps thousands out of school

  • The electorate vs. the elected

  • Why do white men dominate elected offices?

  • 43 in Dallas cleared from Ebola watch list

  • The Obama coalition - without Obama?

    06:54
  • The great pumpkin riot of 2014

  • Monica Lewinsky: 'I was patient zero'

  • Could the GOP lose 'deep-red' states in 2014?

  • Outsourcing takes over Georgia Senate race

  • Swalwell: GOP will use majority to ‘litigate the grievances of one petty man’

    05:38

Measles outbreak linked to anti-vaccination mega-church

07:12

A measles outbreak in North Texas has infected, at last count, 25 people. Chris Hayes talks with Arthur Caplan, Professor of Bioethics and Director of the Division of Medical Ethics at New York University about the outbreak and the larger culture of information, and misinformation, around vaccinations.