SAN FRANCISCO, June 6 (UPI) -- U.S. President Barack Obama said Democrats and Republicans used to think "about the good of the country and the future" but "that's changed on the other side." Speaking Wednesday to an audience at a fundraiser in San Francisco, Obama said he and presumptive Republican presidential nominee Mitt Romney offer voters "two fundamentally contrasting visions" for America -- and he said Romney and congressional Republicans represent a departure from the GOP of 2008, when he defeated Sen. John McCain, R-Ariz., in the general election. "The character of the party and the Republicans in Congress had...