As Trump Arrives, Aurora Insists It’s Not the ‘War Zone’ He Sees The New York TimesTrump proposes 'Operation Aurora,' escalates migrant rhetoric at Colo. rally: 3 takeaways USA TODAYFormer President Donald Trump campaigns at Gaylord Resort in Aurora FOX 31 DenverWATCH: Donald Trump focuses on immigration at Colorado rally, says Democrats “are ruining your state” The Denver Post