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Trump administration ends Obama-era policy limiting nukes
The Pentagon under President Trump has unveiled a new policy expanding the circumstances under which nuclear weapons may be used. Nuclear security analyst Joe Cirincione considers the repercussions such a policy could have in this era of heightened tensions with nuke-equipped North Korea.
Weekends with Alex Witt
Activists rally on Charlottesville anniversary03:20
Rep. Meeks: Trump is 'resisting' sanctions on Russia06:15
Fmr. UN Amb.: Obama is the only one who could beat Trump today05:50
Rep. Cleaver: 'The president will never sit down with Mueller'09:44
Should Trump be worried about Manafort’s trial?03:05
Hundreds rally for gun control at NRA headquarters02:35