Colorado Republicans still overwhelmingly approve of the job President Trump is doing, but feel less enthusiastic about Congress and are still wondering for whom they should vote in the governor’s race this year ... A full 39 percent of those surveyed said they were undecided about which Republican they’d support in the primary, which is just months away. ... State Treasurer Walker Stapleton garnered the most support among those who did have a choice, with 26 percent of respondents saying he’d have their vote. Attorney General Cynthia Coffman came in second in the poll, with 13 percent of respondents saying...