In fact, the 400,000 figure includes job losses that occurred for two years
before Obama took office in the midst of a deep recession.
Media Matters points out that the recession began on George W. Bush's watch, and jobs are coming back to Ohio under the Obama administration.
Economic activity began to decline in December 2007. The National Bureau of
Economic Research announced on December 1, 2008, that based on "economy-wide measures of economic activity," including domestic production and employment, the recession began in December 2007.
Ohio has been gaining jobs in 2010. Bureau of Labor Statistics data indicate that Ohio has added jobs during each month of 2010, through April.