in the economy and people's lives. "We don't think government can solve all our problems. But we don't think that government is the source of all our problems -- any more than are welfare recipients, or corporations, or unions, or immigrants, or gays, or any other group we're told to blame for our troubles." The president belittled the economic proposals of Romney and his running mate, Paul Ryan . He said Romney's budget math doesn't add up and vowed never to "turn Medicare into a voucher." His second-term policies, he said, could cut $4 trillion out of the deficit over a decade, create a million manufacturing jobs by 2016, cut net oil imports in half by the end of the decade and reduce the growth of college tuition by 50 percent over the next 10 years. Those goals are likely to be closely scrutinized by experts, given the fact that many of the objectives he laid out four years ago have not been met. Obama says that's because of the depth of the problems he inherited. Republicans argue that it's because he has pursued policies that have made things worse. Updated 12:05 a.m., Friday, September 7, 2012 CHARLOTTE, N.C. -- President Barack Obama appealed to the nation Thursday night for another four years in office, asserting his policies are returning the country to economic prosperity. The president outlined a series of second-term goals he said would cut the deficit, increase manufacturing...