September 11, 2019 –- Join the CELL, the Denver Post, Governor Jared Polis, and Mayor Michael B. Hancock for Colorado Remembers 9/11 on September 11, 2019 at 7:00 p.m. at the Ellie Caulkins Opera House at Denver Performing Arts Complex. The commemoration will include a moving remembrance ceremony followed by a national security forum entitledTensions on the Rise: North Korea, Iran, and Al Qaeda featuring four-star general General Stanley McChrystal, former commander of U.S. and international forces in Afghanistan and leader of Joint Special Operations Command;The Honorable Ed Royce, former U.S. Congressman and chair of the House Foreign Affairs Committee;Ambassador Christopher Hill, former U.S. Ambassador to Iraq and the Republic of Korea and chief advisor for Global Engagement at DU ; andTom Sanderson, co-founder of the Transnational Threats Project at CSIS. For more information and to purchase tickets, please visit