A controversial campaign tactic is backfiring on former President Donald Trump as powerful celebrities warn of a imminent authoritarian regime that could put an end to “recreational sex” as part of a “fascistic game plan,” according to a new political analysis. Actors Tariji P. Henson and Mark Ruffalo, and Last Week Tonight host John Oliver have managed a novel political feat this summer with warnings about Trump’s potential return to the White House: they’ve made millions of Americans care about campaign platforms, Salon reported Friday. “Swing voters and people who aren’t sure yet if they’re…