New York City Mayor Bill de Blasio speaks to Democratic presidential nominee Hillary Clinton during a memorial service at the National September 11 Memorial and Museum.
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Former Secretary of State Hillary Clinton speaks at the Clinton foundation's Clinton Global Initiative conference with her husband, Bill, and daughter, Chelsea, looking on.
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Chelsea Clinton co-hosts "Girls: A No Ceilings Conversation," in New York on Thursday. Clinton chose the venue to announce that she and her husband are expecting their first child.