Welcome to the Tin Foil Hat Era. On Sunday, the Chiefs and 49ers clinched their Super Bowl berths — and the locker-room champagne spray was barely dry before some folks on the right started floating crackpot conspiracy theories online connecting Taylor Swift to Joe Biden via the pigskin bonanza. Follow this if you can: the NFL rigged this Super Bowl match and are rigging the Super Bowl itself so that Swift, who is involved in a sham relationship with the Chiefs’ Travis Kelce will be at the height of her power to endorse bumbling Joe Biden for re-election. It’s all...