In 2016, Democrats taunted Donald Trump as “dangerous Donald.” In 2020, they moved on from dangerous to say that Trump’s Republican Party was a threat to the “soul of America.” Both messages — one relatively successful, one much less so — emphasized the threat that Trump posed to America and the world.This year, as it mounts its third national campaign against Trump and his MAGA acolytes, the Democratic Party has abandoned the language of peril and danger in favor of something that is a little less heated.Trump and JD Vance, Kamala Harris and her allies say, are “weird.”It started with...