New Yorkers are a jaded lot. So when two guys dressed like the shaggier cousins of the Blues Brothers start dancing around in the city’s Central Park, it doesn’t draw a lot of attention. At least, at first.As part of his live broadcast from Central Park, Tonight Show host Jimmy Fallon brought along singer Justin Bieber for a quick sashay through the park, lip-synching to Bieber’s song “What Do You Mean?”The two drew little attention, despite their wildest efforts. But…

More...