U.S. President Trump participates in a strength vial test accompanied by Corning Pharmaceutical Glass Chairman and CEO Weeks during a “Made in America” event in Washington

U.S. President Donald Trump participates in a strength vial test accompanied by Corning Pharmaceutical Glass Chairman and CEO Wendell Weeks during a “Made in America” event on pharmaceutical glass manufacturing, at the Roosevelt Room of the White House in Washington, U.S., July 20, 2017. REUTERS/Carlos Barria – RC1BD6778190