Marvel at Penn & Teller's unique take on ye olde donut-on-the-ribbon magic trick (video)

Penn & Teller have the longest running live show in the history of Las Vegas, besting even Sinatra and Elvis, and the longest running magic TV show ever, "Fool Us." To celebrate (and promote), they turned up on The Tonight Show and reimagined the classic donut-on-the-ribbon magic trick.