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WASHINGTON, DC - OCTOBER 16: Huma Abedin, aide to former U.S. Secretary of State Hillary Clinton, arrives at a closed door hearing on Capitol Hill October 16, 2015 in Washington, DC. Abedin is beingÊinterviewed by the House Select Committee on Benghazi. (Photo by Mark Wilson/Getty Images)
WASHINGTON, DC - OCTOBER 16: Huma Abedin, aide to former U.S. Secretary of State Hillary Clinton, arrives at a closed door hearing on Capitol Hill October 16, 2015 in Washington, DC. Abedin is beingÊinterviewed by the House Select Committee on Benghazi. (Photo by Mark Wilson/Getty Images)

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    Clinton's top aide at center of email controversy

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Clinton's top aide at center of email controversy

Huma Abedin, Hillary Clinton's longest-serving aide, now finds herself at the center of some of the Democratic nominee's most lasting controversies. CNN's Sunlen Serfaty reports.

Clinton's top aide at center of email controversy

Huma Abedin, Hillary Clinton's longest-serving aide, now finds herself at the center of some of the Democratic nominee's most lasting controversies. CNN's Sunlen Serfaty reports.