In the home stretch of the 2012 presidential campaign, from August to September, the unemployment rate fell sharply — raising eyebrows from Wall Street to Washington.
The decline — from 8.1 percent in August to 7.8 percent in September — might not have been all it seemed. The numbers, according to a reliable source, were manipulated.
And the Census Bureau, which does the unemployment survey, knew it.
http://nypost.com/2013/11/18/census-faked-2012-election-jobs-report/