In case you were wondering what a five-minute iteration of a late-night show would look like, Jimmy Fallon demonstrated Monday with Tonight Show Fallon Five. “Please stop clapping we only have five minutes,” Fallon instructed the audience. NBC announced earlier this month it would debut the minutes-long versions of Tonight during Olympics, as Fallon competes in its own intense competition for ratings. After brief clip of Fergie’s much-discussed NBA All-Star national…