Senator Rand Paul said the committee he leads would vote next week on whether to hold Dr. Fauci in contempt of Congress.

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Diary entries, released by a Republican senator, have reignited a furious debate over whether Covid-19 leaked from a lab.

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Michael Kratsios, President Trump’s science adviser, proposed overhauling how the government funds research. Democrats said Mr. Trump’s actions had weakened science.

© Eric Lee/Reuters