A plan to return Colorado to a presidential preference primary has cleared its first hurdle at the state Legislature. A House committee voted 5-4 Monday to set up a primary vote for 2020. Unaffiliated voters could choose to vote in a party's primary as long as they indicate a preference, which would then be scrubbed after the vote. That falls short of a truly open primary, in which voters could cast ballots in whichever party they choose, without indicating a party preference. Colorado has more unaffiliated voters than voters registered with either party. Legislative analysts have said a primary vote...