Legendary presidential historian Jon Meacham spoke with MSNBC’s Stephanie Ruhle on Friday evening about 2023 in retrospective — and the significance of former President Donald Trump’s continued hold over the Republican Party. “If you were to write a book about this year, what would you include?” said Ruhle. “Oh my god,” said Meacham. “You’re right. It’s against — maybe I just say Oh My God, that might be a good title.” POLL: Should Trump be allowed to run for office? “Oh My God 2023,” Ruhle echoed. “It’s against my usual standard to say something is unprecedented,” said Meacham. “As you were s…