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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

  • The truth behind the DeSantis ‘election integrity’ stunt in Florida

    08:32

Landmark Supreme Court ruling on patenting human genes

04:44

In a unanimous landmark decision Thursday, the Supreme Court ruled that human genes cannot be patented but that synthetic genes can. Chris Hayes looks at the far-reaching effects of this decision both in terms of breakthrough medical research and the costs of certain medical tests, and what the brave new world of genetic research might look like.