CHICAGO, IL - SEPTEMBER 20: Liz Koch and Charles Koch arrive on the Black Carpet during the Laver Cup Gala at the Navy Pier Ballroom on September 20, 2018 in Chicago, Illinois. The Laver Cup consists of six players from Team World competing against their counterparts from Team Europe. John McEnroe will captain Team World and Team Europe will be captained by Bjorn Borg. The event runs from 21-23 Sept. (Photo by Matthew Stockman/Getty Images for The Laver Cup)
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