The Colorado Republican Party’s chairman is experiencing stiff backlash from candidates running for office after suggesting they should be enthusiastic backers of former President Donald Trump. According to the Colorado Sun, GOP candidates running in the Centennial State’s June primary were sent a three-page questionnaire to determine whether they would receive the endorsement of the party ahead of the primary — a major break from past tradition. One of the criteria for an official endorsement is if a candidate supports “President Trump’s populist, America-first agenda.” Colorado GOP chairman …