Chelsea Clinton poses for a photograph with a supporter during the "Conversation with Chelsea" at the State College Democratic Coordinated Campaign Headquarters in State College, Pa., Wednesday, September 7, 2016. / Photo by Cameron Hart

Chelsea Clinton campaigns for her mother, Democratic Party presidential candidate Hillary Clinton, during the "Conversation with Chelsea" at the State College Democratic Coordinated Campaign Headquarters in State College, Pa., Wednesday, September 7, 2016. / Photo by Cameron Hart

Cindy Rockey, of Pine Grove Mills, left, poses with Chelsea Clinton as Rockey holds a picture of her son, Curtis, with Chelsea Clinton taken at Martha's Vineyard in 1997. Chelsea was campaigning for her mother at the State College Democratic Coordinated Campaign Headquarters in State College, Pa., Wednesday, September 7, 2016. Rockey brought the picture for Chelsea to autograph. / Photo by Cameron Hart

Local supporters listen to Chelsea Clinton as she campaigns for her mother, Democratic Party presidential candidate Hillary Clinton, during the "Conversation with Chelsea" at the State College Democratic Coordinated Campaign Headquarters in State College, Pa., Wednesday, September 7, 2016. / Photo by Cameron Hart

Cindy Rockey, of Pine Grove Mills, takes a picture of Chelsea Clinton as she speaks during the "Conversation with Chelsea" at the State College Democratic Coordinated Campaign Headquarters in State College, Pa., Wednesday, September 7, 2016. / Photo by Cameron Hart