President Barack Obama kicked off his re-election campaign Saturday at rallies in Ohio and Richmond, where he cast the election as a choice between policies of the past or progress, and "a make-or-break moment" for the middle class. Before a boisterous crowd of about 8,000 at Virginia Commonwealth University, in the capital of a swing state that could be key to his securing a second term, Obama said that while the nation's economy still faces headwinds, it's making progress. He presented himself as a fighter for the middle class and cast presumptive GOP nominee Mitt Romney as a potential president...