May 6, 2010 11:34 am What You Need to Know About Melanoma Cosmetic dermatology expert, Dr. Debra Wattenberg shares tips on how to protect your skin from melanoma and takes viewer questions about skincare. Local 0:32 Macy's 4th of July fireworks show moves back to the Hudson River 5:18 See Columbia University's lawn after encampment is cleared 8:27 Mayor Adams briefs press on protests at NYC college campuses 0:34 City College of New York goes remote as protests continue 14:23 NYPD arrests around 100 protesters at Columbia University