From a resignation email sent to NBC News in January by William M. Arkin, a national security reporter who had worked at the network off and on since 1999.

January 4 is my last day at NBC News. The parting is bittersweet, the world and the state of journalism in tandem crisis. My expertise, though seeming to be all the more central to the challenges and dangers we face, also seems to be less valued at the moment. And I find myself completely out of sync with the network, being neither a day-to-day reporter nor interested in the Trump circus.

…