Jenna Norton, a National Institutes of Health employee, has been an outspoken critic of the administration’s research cuts and has been on paid leave.

Cassidy’s recent tensions with Kennedy have further imperiled his prospects to a degree that his massive war chest and the power of incumbency may not be able to surmount.

Bill Steiger, who served in the George H.W. Bush and first Trump administrations, reflects on the past year's changes in the ...