PBS News Hour

February 19, 2020 (45x36)

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Wednesday on the NewsHour, six Democratic rivals face off in Las Vegas ahead of the Nevada caucuses. Also: A look at the billionaire businessman shaking up the presidential race, the world-wide spread of novel coronavirus, inhuman conditions grow bleaker in a Greek migrant camp, the melting block of ice threatening the world's sea level and author Kevin Wilson on his new novel.