An anti-Democratic Party meme that was a firm Republican Party favorite now makes no sense — and the change has sent panic throughout the GOP’s ranks, a columnist wrote Monday. The slogan “Dems in disarray” has been a cliched soundbite for Republicans for months as their opponents’ flanks split between Joe Biden backers and those who pushed for him to step down in the aftermath of his debate performance, political analyst Alexander Nazaryan wrote for MSNBC. And then there was the attempted assassination of Donald Trump — an event, Nazaryan wrote, which almost handed the GOP the White House. Wa…