Maine on Thursday nixed the 45th president from being able to appear on the GOP primary election ballot, and John Dean believes it spells danger for The Don. “Trump’s in trouble,” the Nixon attorney Dean said while appearing on CNN. “He’s in trouble wherever this is raised and addressed.” Maine’s Democratic Secretary of State Shenna Bellows formally barred Trump from being able to appear on the state’s presidential primary ballot based on the Civil War-era 14th Amendment, which disqualifies citizens from holding office if they “engaged in insurrection or rebellion” against the U.S. Constitutio…