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First Read: Clinton, Sanders to clash after contentious week

After a particularly combative week, Sanders and Clinton head into what could be the final Democratic debate of the 2016 campaign.

Democratic presidential candidates Hillary Clinton and Sen. Bernie Sanders (R) stand together before the start of the NBC, YouTube Democratic presidential debate at the Gaillard Center, January 17, 2016, in Charleston, S.C.Photo by Mark Peterson/Redux for MSNBC

Chuck Todd

Chuck Todd is NBC News' chief political analyst and the former moderator of "Meet The Press."

Carrie Dann

Mark Murray