Colorado’s Supreme Court ruled that Trump is ineligible to run for office in the state because he engaged in an insurrection. Read the ruling here. Two weeks later, Maine’s top election official stripped Trump from the ballot. On Jan. 5, 2024, the Supreme Court agreed to decide whether Trump can be kicked off ballot in Colorado. 

Trump has a huge — and we mean huge — lead in national polling averages even as challenger Nikki Haley gains ground on Ron DeSantis for a distant second place. See FiveThirtyEight’s polling average here. Date to remember: The Iowa caucuses are on Jan. 15.

Without Trump, the debates have been kind of like a race for second place, though sparks have flown between former South Carolina Gov. Nikki Haley and far-right firebrand Vivek Ramaswamy. See a full list of the candidates here. See where the candidates stand on key issues here.