Former Secretaries of the Department of Homeland Security -- both Republican and Democrat -- rebuked the GOP Senators blocking a bipartisan January 6th commission for dismissing what Fmr. Secretary Napolitano calls “the most serious attack on our democracy, really since the attacks of 9/11.” With domestic terror at the top of the intelligence community’s threat list, Napolitano tells Ali Velshi she can already see the priorities of DHS shifting back to its original purpose. “The reset is underway.”» Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc 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, Meet the Press Daily, The Beat with Ari Melber, Deadline: White House with Nicolle Wallace, Hardball, All In, Last Word, 11th Hour, and more. Connect with MSNBC Online Visit msnbc.com: http://on.msnbc.com/Readmsnbc Subscribe to MSNBC Newsletter: http://http://MSNBC.com/NewslettersYouTube Find MSNBC on Facebook: http://on.msnbc.com/Likemsnbc Follow MSNBC on Twitter: http://on.msnbc.com/Followmsnbc Follow MSNBC on Instagram: http://on.msnbc.com/Instamsnbc Fmr. DHS Sec. Slams GOP Senators For Ignoring Nat. Security Threats