When did the U.S. intervene as last resort historically?

First there was the Monroe Doctrine, now President Trump’s foreign policy approach is being dubbed the “Donroe Doctrine.” Joshua Keating is a senior correspondent at Vox covering foreign policy and world news with a focus on the future of international conflict. He joins host Krys Boyd to discuss why Trump believes the U.S. has a right to intervene in global affairs across the Western hemisphere, how that differs from his campaign promises, and what this strategy looks like for the remainder of his term. His article is “What actually is the ‘Donroe Doctrine’?”