Harry Dunn, former Capitol police officer, joins Sam Stein to discuss next week's planned 'Jan. 6 Gala' hosted by Trump's New Jersey golf club. Plus, Dunn warns that Trump is once again "planting the seeds" for another attack like Jan. 6 to happen. "How could that not be on your mind?" Dunn says. » Subscribe to MSNBC: youtube.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 ReidOut Blog: msnbc.com/reidoutblog MSNBC delivers breaking news, in-depth analysis of politics headlines, as well as commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, The Beat with Ari Melber, Deadline: White House, The ReidOut, All In, Last Word, 11th Hour, and Alex Wagner who brings her breadth of reporting experience to MSNBC primetime. Watch “Al...