(AP Photo)
Hillary Clinton shakes hands with Xochi Johnson, 2, who is held by her mother Pilar Fisher at Children's Hospital Oakland Research Institute in Oakland on Wednesday, July 23, 2014. (AP Photo)
Former U.S. Secretary of State Hillary Clinton, right, gestures next to Oakland Mayor Jean Quan, left, and Jim Steyer while speaking at children's literacy event in Oakland. (AP Photo)
Hillary Clinton meets children and families who take part in early literacy program through Children's Hospital Oakland Research Institute on Wednesday, July 23, 2014.
(ABC7 News Reporter Laura Anthony)
Hillary Clinton meets children and families who take part in early literacy program through Children's Hospital Oakland Research Institute on Wednesday, July 23, 2014. (ABC7 News Reporter Laura Anthony)
Hillary Clinton meets children and families who take part in early literacy program through Children's Hospital Oakland Research Institute on Wednesday, July 23, 2014. (ABC7 News Reporter Laura Anthony)
Hillary Clinton meets children and families who take part in early literacy program through Children's Hospital Oakland Research Institute on Wednesday, July 23, 2014. (ABC7 News Reporter Laura Anthony)
Hillary Clinton meets children and families who take part in early literacy program through Children's Hospital Oakland Research Institute on Wednesday, July 23, 2014. (ABC7 News Reporter Laura Anthony)
Former Secretary of State Hillary Clinton visited Bay Area tech companies on Monday. (Andrew Bosworth/Facebook)