NBC News' "Here's the Scoop": Health and Human Services Secretary Robert F. Kennedy Jr. faced tough questions on Capitol Hill today, as senators pressed him over turmoil in his department, cuts to vaccine research, and the appointment of anti-vaccine activists to key posts. Republicans, like North Carolina Senator Thom Tillis, criticized Kennedy for ousting CDC Director Susan Monarez, a move that sparked multiple resignations, including Dr. Debra Houry, the agency’s former chief medical officer. Host Yasmin Vossoughian speaks with Dr. Houry about why she stepped down and what it means for public health.

See Full Page