Glen Powell and Sydney Sweeney did not go to the Oscar Isaac school of press tours. If they did, they wouldn’t openly admit to weaponizing their red-carpet chemistry to stoke dating rumors while marketing Anyone But You. They played opposite each other in the enemies-to-lovers romp, a surprise blockbuster and one of the pair’s attempts at gaining movie-star status. “The two things that you have to sell a rom-com are fun and chemistry. Sydney and I have a ton of fun together...