4/2: Pivotal and emotional testimony continue in Chauvin trial. Dozens are killed in a train crash in Taiwan.

A former police supervisor's opinion on restraining George Floyd could be a pivotal moment in the Derek Chauvin trial. Also, hear emotional testimony from Floyd's girlfriend about their life together. Dozens are killed in a train crash in Taiwan -- in one of the country's deadliest rail accidents ever. The New York Times reports Republican Congressman Matt Gaetz is suspected of paying cash and using drugs in sexual encounters with women. The focus of Republican efforts to change state voting laws has shifted to Texas. Border patrol agents say they're seeing a "significant increase" of migrants crossing the southern border into Arizona.

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