1. Pete Seeger Turning 90 With Concert Celebrations

    March 18, 2009 12:49 AM EDT American music legend Pete Seeger turns 90 on May 3, but the celebrations honoring his musical legacy and social activism will go on throughout the year. Hudson River Sloop Clearwater, the environmental group founded by Seeger in the 1960s, is marking the birthday and its own 40th anniversary…