JOHNSTOWN, PA - JULY 30: (L-R) Democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA), Johnstown Wire Technologies CEO Ron Shaffer, Democratic presidential nominee former Secretary of State Hillary Clinton and former U.S. president Bill Clinton take a tour before a campaign rally on July 30, 2016 in Johnstown, Pennsylvania. Hillary Clinton and Tim Kaine are continuing their a three-day bus tour through Pennsylvania and Ohio. (Photo by Justin Sullivan/Getty Images)

JOHNSTOWN, PA - JULY 30: (L-R) ohnstown Wire Technologies with CEO Ron Shaffer, democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA), democratic presidential nominee former Secretary of State Hillary Clinton, Anne Holton and former U.S. president Bill Clinton take a tour before a campaign rally on July 30, 2016 in Johnstown, Pennsylvania. Hillary Clinton and Tim Kaine are continuing their a three-day bus tour through Pennsylvania and Ohio. (Photo by Justin Sullivan/Getty Images)

JOHNSTOWN, PA - JULY 30: (L-R) Former U.S. president Bill Clinton, democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA) and democratic presidential nominee former Secretary of State Hillary Clinton tour Johnstown Wire Technologies with CEO Ron Shaffer before a campaign rally on July 30, 2016 in Johnstown, Pennsylvania. Hillary Clinton and Tim Kaine are continuing their a three-day bus tour through Pennsylvania and Ohio. (Photo by Justin Sullivan/Getty Images)

JOHNSTOWN, PA - JULY 30: Democratic presidential nominee former Secretary of State Hillary Clinton and democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA) arrive at a campaign rally at Johnstown Wire Technologies on July 30, 2016 in Johnstown, Pennsylvania. Hillary Clinton and Tim Kaine are continuing their a three-day bus tour through Pennsylvania and Ohio. (Photo by Justin Sullivan/Getty Images)

JOHNSTOWN, PA - JULY 30: Democratic presidential nominee former Secretary of State Hillary Clinton and democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA) greet supporters during a campaign rally at Johnstown Wire Technologies on July 30, 2016 in Johnstown, Pennsylvania. Hillary Clinton and Tim Kaine are continuing their a three-day bus tour through Pennsylvania and Ohio. (Photo by Justin Sullivan/Getty Images)

JOHNSTOWN, PA - JULY 30: (L-R) Former U.S. president Bill Clinton, democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA) and democratic presidential nominee former Secretary of State Hillary Clinton tour Johnstown Wire Technologies with CEO Ron Shaffer before a campaign rally on July 30, 2016 in Johnstown, Pennsylvania. Hillary Clinton and Tim Kaine are continuing their a three-day bus tour through Pennsylvania and Ohio. (Photo by Justin Sullivan/Getty Images)

JOHNSTOWN, PA - JULY 30: (L-R) Democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA), former U.S. president Bill Clinton and democratic presidential nominee former Secretary of State Hillary Clinton greet supporters during a campaign rally at Johnstown Wire Technologies on July 30, 2016 in Johnstown, Pennsylvania. Hillary Clinton and Tim Kaine are continuing their a three-day bus tour through Pennsylvania and Ohio. (Photo by Justin Sullivan/Getty Images)

JOHNSTOWN, PA - JULY 30: Democratic presidential nominee former Secretary of State Hillary Clinton (C) tours Johnstown Wire Technologies before a campaign rally with democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA) on July 30, 2016 in Johnstown, Pennsylvania. Hillary Clinton and Tim Kaine are continuing their a three-day bus tour through Pennsylvania and Ohio. (Photo by Justin Sullivan/Getty Images)