BROOKLYN, MI - AUGUST 28: Sam Hornish Jr., driver of the #95 Thrivent Financial Chevrolet, pits during the NASCAR Sprint Cup Series Pure Michigan 400 at Michigan International Speedway on August 28, 2016 in Brooklyn, Michigan. (Photo by Robert Laberge/Getty Images)

German Economy Minister Sigmar Gabriel and German Chancellor Angela Merkel (R) attend the cabinet meeting at the Chancellery in Berlin, Germany, August 17, 2016. REUTERS/Axel Schmidt

German Economy Minister Sigmar Gabriel and German Chancellor Angela Merkel (R) attend the cabinet meeting at the Chancellery in Berlin, Germany, August 17, 2016. REUTERS/Axel Schmidt

Finance Minister Wolfgang Schaeuble speaks at a news conference on 2017 budget and financial plan till 2020 in Berlin, Germany July 6, 2016. REUTERS/Stefanie Loos

German Economy Minister Sigmar Gabriel arrives for a television interview in front of the Reichstag building in Berlin, Germany, August 7, 2016. REUTERS/Hannibal Hanschke

BROOKLYN, MI - AUGUST 27: John H Nemechek, driver of the #8 BusinessMachinesCmpny/MellingPerf Chevrolet, drives with damage after an on-track incident during the NASCAR Camping World Truck Series Careers for Veterans 200 at Michigan International Speedway on August 27, 2016 in Brooklyn, Michigan. (Photo by Dylan Buell/Getty Images)

German Economy Minister Sigmar Gabriel and German Chancellor Angela Merkel (R) attend the cabinet meeting at the Chancellery in Berlin, Germany, August 17, 2016. REUTERS/Axel Schmidt

A Gabonese leaves the voting booth in Libreville during the Presidential Election on August 27, 2016. The people of Gabon began casting their ballots on August 27, 2016 in a vote to decide whether President Ali Bongo will remain in office or be unseated by a career diplomat and close associate of his late father, who ran the country for 41 years. The election takes place in a climate of persistent social unrest driven in large part by the economic impact of the slump in the price of oil, which has long dominated Gabon's economy. / AFP PHOTO / MARCO LONGARIMARCO LONGARI/AFP/Getty Images