Mayor Michael Bloomberg wants to build flood walls, levees, and sand dunes along the New York City coastlines in order to guard against damage from future storms. "CBS This Morning" contributor Michio... more 
Mayor Michael Bloomberg wants to build flood walls, levees, and sand dunes along the New York City coastlines in order to guard against damage from future storms. "CBS This Morning" contributor Michio Kaku takes a look at the big-ticket proposal. less 
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Fri, Jun 14, 2013 4:10 PM EDT