Written by DCist Theater Reviewer Missy Frederick. When doing a live show, performers inevitably have to contend with slip-ups and unforeseen circumstances. Sometimes, these mistakes can provide the opportunity for an epic recovery that outshines the original material: think of Gilbert Gottfried’s masterful telling of the infamous “Aristocrats” joke after his 9-11 humor was bombing at the Friar’s Club Roast of Hugh Hefner. Other actors aren’t quite as quick on their feet, and flubs devolve…