Missouri’s Republican candidates for governor, eager to win over voters in a party that remains largely in the grip of former President Donald Trump, have begun laying the groundwork to take political retribution against President Joe Biden if the U.S. Supreme Court disqualifies Trump from again serving as president. If the Supreme Court blocks Trump from the presidency by finding he engaged in insurrection in the leadup to the Jan. 6, 2021, attack on the Capitol, the Missouri candidates claim Biden could – or should – be disqualified as well. The 14th Amendment prohibits people from taking of…