U.S. President Barack Obama speaks while Vice President Joseph Biden listens after they are given a tour of the commercial truck dealership K. Neal International in Hyattsville, Maryland June 4, 2010. Obama said on Friday the gain of 431,000 jobs in May is a sign the U.S. economy is getting stronger, although there will still be ups and downs going forward. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS)