By Andrew Goudsward WASHINGTON (Reuters) -Colorado’s highest court heard arguments on Wednesday on whether the U.S. Constitution allows former President Donald Trump to be disqualified from the state’s ballot next year over his role in the Jan. 6, 2021, attack on the U.S. Capitol. Justices on the Colorado Supreme Court focused much of their questioning on whether a constitutional amendment passed after the Civil War that bars public officials from holding federal office if they have engaged in “insurrection” applies to U.S. presidents. A group of Colorado voters, backed by the watchdog group C…