FILE - In this May 3, 2017, file photo, former President Barack Obama speaks at a community event on the Presidential Center at the South Shore Cultural Center in Chicago. Obama announced Sept. 13, he plans to invite civic leaders to Chicago next month to exchange ideas and plan ways to solve some of the world's common problems. The inaugural Obama Foundation “leadership summit will be a place to gather and learn from one another, and then go back to your communities to lead others in the hard work of change,” Obama said in a video and email released to supporters. (AP Photo/Nam Y. Huh, File)
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