The 400th anniversary of the Hudson River is giving rise to celebrations throughout the region. A new Tang exhibition traces the river's many lives, including its influence on art and history and its effect on the environment and society. (Left: 'A Misty Morning on the Hudson', a vintage postcard.) Fri, 10 Jul 2009 16:00:00 -0800 ,, Fri, 10 Jul 2009 16:00:00 -0800