Democratic presidential nominee former Secretary of State Hillary Clinton stands with President Barack Obama, former President Bill Clinton and daughter Chelsea during an election eve rally on November 7, 2016 in Philadelphia, Pennsylvania. (Photo by Spencer Platt/Getty Images)

PHILADELPHIA, PA – NOVEMBER 07: Democratic presidential nominee former Secretary of State Hillary Clinton stands with President Barack Obama, former President Bill Clinton and daughter Chelsea during an election eve rally on November 7, 2016 in Philadelphia, Pennsylvania. As the historic race for the presidency of the United States comes to a conclusion, both Clinton and her rival Donald Trump are making their last appearances before voting begins tomorrow. (Photo by Spencer Platt/Getty Images)