On April 1, 2011, an unknown entrepreneur with more money than sense erected a shaky spiegeltent on the forecourt of Caesars Palace and presented the first performance of a raunchy acrobatic show he promised would pull Las Vegas out of the gloom of the global financial crisis. “They” said the show wouldn’t last a week. Today—April 1, 2021—that show celebrates TEN YEARS ON THE VEGAS STRIP. Who’s the April Fool now, “they”?