The "Last Column," the final steel beam left at Ground Zero after 9/11, has been revealed for the first time at the 9/11 Memorial & Museum, CBS News Correspondent Terrell Brown reports. The "last ... more 
The "Last Column," the final steel beam left at Ground Zero after 9/11, has been revealed for the first time at the 9/11 Memorial & Museum, CBS News Correspondent Terrell Brown reports. The "last column" is covered in personal memorials and messages from the first responders and will have a central location in the museum. less 
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Thu, Jul 11, 2013 2:28 PM EDT