September 8, 2009 9:48 pm Central Park Celebrity Tour Guides Have you heard? Whoopi Goldberg and Jerry Seinfeld are helping New Yorkers explore Central Park. Local 2:14 Final day of classes set for spring at Columbia as negotiations with protesters reach impasse 2:42 Woman fighting for life after carjacker's crash into NJ bar 3:20 Columbia encampments continue for second week 3:49 35-foot-tall ‘Shaved Portions' abstract sculpture 2:06 Art installation more than a mile long unveiled in Queens neighborhood