Dr. Anthony Fauci at the National Institutes of Health discusses testing for the coronavirus. The latest on the two-man race in the Democratic presidential primary. The case of a man in prison for three decades for a murder he says he didn't commit. The discrimination against the Asian community amid coronavirus fears. A lab looking for volunteers willing to be infected with the coronavirus. CBS News Correspondent Allison Keyes will have these stories and more on the CBS News Weekend Roundup.

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