Former Colonel Doug Krugman served in in the U.S. Marine Corps for twenty-four years under five presidents. Two weeks ago, he resigned from his post citing his concern for America's future under President Donald Trump. He joined Katy Tur to talk about how the military has changed under President Trump's leadership. For more context and news coverage of the most important stories of our day click here: msnbc.com » Subscribe to MSNBC: youtube.com/msnbc » Subscribe to MSNBC on TikTok tiktok.com/@msnbc » Subscribe to MSNBC on Instagram instagram.com/msnbc Download our new MSNBC app for the latest breaking news and daily headlines at a glance: msnbc.com/information/download-msnbc-app-n1241692 Follow MSNBC Show Blogs MaddowBlog: msnbc.com/maddowblog MSNBC delivers breaking news, in-depth analysis of political headlines, commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Sho...