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Steve Griffin | The Salt Lake Tribune President Barack Obama talks with Salt Lake City Mayor Ralph Becker after he delivered a Steve Griffin | The Salt Lake Tribune President Barack Obama talks with Air Force base personnel after he delivered a speech in Steve Griffin | The Salt Lake Tribune President Barack Obama waves to the crowd after he delivered a speech in front of solar p Steve Griffin | The Salt Lake Tribune President Barack Obama leaves a solar panel field where he delivered a speech in Ogden, Steve Griffin | The Salt Lake Tribune President Barack Obama waves to the crowd after he delivered a speech in front of solar p Steve Griffin | The Salt Lake Tribune President Barack Obama talks with Air Force base personnel after he delivered a speech in Steve Griffin | The Salt Lake Tribune President Barack Obama delivers a speech in front of solar panels at Hill Air Force Base Steve Griffin | The Salt Lake Tribune Authorities ready a solar panel field in Hill Air Force Base for the arrival of President Steve Griffin | The Salt Lake Tribune President Barack Obama arrives in front of solar panels at Hill Air Force Base in Ogden, Steve Griffin | The Salt Lake Tribune President Barack Obama delivers a speech in front of solar panels at Hill Air Force Base Steve Griffin | The Salt Lake Tribune President Barack Obama delivers a speech in front of solar panels at Hill Air Force Base Steve Griffin | The Salt Lake Tribune President Barack Obama delivers a speech in front of solar panels at Hill Air Force Base Steve Griffin | The Salt Lake Tribune Traveling media pool members to catch up with President Barack Obama as he arrives at a s Steve Griffin | The Salt Lake Tribune President Barack Obama delivers a speech in front of solar panels at Hill Air Force Base Steve Griffin | Tribune file photo President Barack Obama delivers a speech in front of solar panels at Hill Air Force Base in