Daniel Kammen, a State Department science envoy, quit Wednesday with a blistering letter, writing that Trump's response to Charlottesville was the last straw.
Adam Edelman and Abigail Williams, NBC News
Wed, 08/23/2017 - 2:27pm
Daniel Kammen, a State Department science envoy, quit Wednesday with a blistering letter, writing that Trump's response to Charlottesville was the last straw.