Nightly News   |  August 01, 2012

Once in a blue moon

Wednesday’s full moon is the first of two in the month of August, an event that will not happen again until 2015. NBC’s Brian Williams reports.

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

>>> one of them london showers there is the moon over london and tonight's full moon is special because it is the first of two in the month of august. the second one comes on the 31st and as such makes it a blue moon . this two moons in a month event won't happen again until