COLORADO SPRINGS, Colo. - With GOP frontrunner Donald Trump now bashing Colorado's caucus and convention system, there are indications that a change is in the works. Lawmakers in Denver plan to soon introduce a bill that would scrap the caucus in favor of a presidential primary. After a shutout here, Donald Trump is enraged. Only the most active Colorado Republicans participated in the caucus and convention process leading some voters to cry foul. "The process has really let us down this year," active GOP voter Eli Bremer said. "It really should be the primary voters in each state that pick...