Nine U.S. Supreme Court justices — including three appointed by former President Donald Trump — are set Thursday to hear oral arguments on Trump’s eligibility in this year’s presidential election. The question became unavoidable for the Supreme Court after Colorado’s top court decided 4-3 to remove Trump from the state’s Republican primary ballot. The Colorado justices voted to bar Trump under Section 3 of the 14th Amendment, which states that nobody who has taken an oath of office to uphold the Constitution but then engages in “insurrection or rebellion” against the U.S. is permitted to retur…