The spread of the coronavirus has hit the entertainment business like a bomb, closing theaters and halting productions worldwide. But there is also no form of entertainment more attached to the "show must go on" mantra than professional wrestling, that traveling circus of tights and testosterone that kept on trucking through 9/11, Jerry Lawler's on-air heart attack, and the actual in-ring death of Owen Hart in 1999. In this specific case, both the WWE and fledgling federation AEW have navigated the coronavirus by putting on shows in empty buildings, the performers locking up and promo-ing …