(CNN) -- One of the most dominant theories of this year's presidential election is that President Barack Obama's re-election prospects have been undermined by high unemployment levels.

Yet despite a dismal labor market, which saw a net increase of only 103,000 private-sector jobs for August, the president has been widening his lead over Mitt Romney in recent days. This raises the possibility that other factors are trumping high unemployment.

It's not the unemployed who are backing Romney - CNN.com