Maduro sends mixed messages about U.S.-Venezuela relationship

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The State Department expelled three Venezuelan officials from the U.S. after President Nicolas Maduro ordered three American diplomats leave his country. Now Maduro is proposing a new Venezuelan ambassador to the U.S. after years without an official representative. Meanwhile, 15 people have died in recent street clashes between protesters and police. Gwen Ifill talks to Girish Gupta of Reuters.