Sen. Ron Johnson (R-WI) proclaimed at the Republican National Convention in Milwaukee on Monday that Democrats are a “clear and present danger to the country” — an odd departure from the GOP’s own message, following former President Donald Trump’s near assassination on Saturday, demanding that Democrats stop calling Trump a danger to the country. Johnson apparently realized the hypocrisy was a bit too much to ignore, because he had an explanation when PBS News Hour’s Amna Nawaz asked him about it: it was the teleprompter’s fault. “I asked Wisc @SenRonJohnson about him calling Democratic polici…