Nightly News   |  August 25, 2011

Workers try to secure ground zero site

Ahead of Irene, one of Manhattan’s concerns is a skyscraper under construction at ground zero: the new One World Trade Center building. NBC’s Brian Williams reports.

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This content comes from Closed Captioning that was broadcast along with this program.

>>> here in new york city , the mayor has been on television tonight. there are a lot of things to be worried about. one thing a skyscraper under construction. there are 13 giant cranes working on that building. they're not designed to sustain winds in excess of 65 miles an hour. workers are feverishly trying to secure them tonight. federal officials