U.S. President Barack Obama gestures as he talks about the economy, in Cahn Auditorium at the Kellogg School of Management in Northwestern University in Evanston October 2, 2014. President Barack Obama tried on Thursday to turn the spotlight on the economy, the issue U.S. voters care about most

U.S. President Barack Obama addresses the Democratic National Committee's Women's Leadership Forum annual Issues Conference in Washington, September 19, 2014. President Barack Obama, stumping for the Democrats ahead of November's congressional elections, has twice invoked Ronald Reagan's seminal