A conspiracy theory has run unabated in Democratic circles following the assassination attempt against former president Donald Trump on Saturday. It posits that Trump staged the shooting for a photo op, that the wound on his ear was caused by something other than an assassin's bullet, and that he was never in mortal danger. It's a baseless conspiracy theory disproven by reams of documentary evidence and eyewitness accounts. And it's a belief held by one-third of the Democratic electorate. One in three registered Democrats believe it is "credible" that the shooting Saturday in Butler, Pa., was staged and not intended...
