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ANAHEIM, CA - SEPTEMBER 08: Former U.S. President Barack Obama waves to the crowd during a Democratic Congressional Campaign Committee rally at the Anaheim Convention Center on September 8, 2018 in Anaheim, California. This is Obama's first campaign rally for the 2018 midterm elections. (Photo by Barbara Davidson/Getty Images)
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ANAHEIM, CA - SEPTEMBER 08: Former U.S. President Barack Obama waves to the crowd during a Democratic Congressional Campaign Committee rally at the Anaheim Convention Center on September 8, 2018 in Anaheim, California. This is Obama's first campaign rally for the 2018 midterm elections. (Photo by Barbara Davidson/Getty Images)
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