Full interview: Dr. Deborah Birx on “Face the Nation with Margaret Brennan”

PFAS: The water contaminant that scientists say isn't going away

Car explosion kills daughter of Russian nationalist known as "Putin's brain"

Federal appeals court delays Graham's testimony in Georgia election probe

"Unions are cool again": A new generation of workers advocates for unionization

Cardona says states should use COVID-19 funds to stem teacher shortages

Patrick Leahy on the role of the Senate and the dangers of partisanship

Dozens dead in flash floods

First lady Jill Biden tests negative for COVID-19, will leave isolation

Trump weighs calling for "special master" to review Mar-a-Lago evidence, attorney says