There’s No Covid `Smoking Gun’

Hi, it’s Riley in Washington. A report from Senate Republicans that alleges a lab leak likely caused Covid has complicated an already fraught debate. Will we ever find conclusive evidence of the pandemic’s origins? Let’s explore that question, but first…

Robert Kadlec, the former US Assistant Secretary for Preparedness and Response under the Trump administration, known by close associates as “Dr. Doom,” spent more than a year scouring public records and conducting interviews alongside colleagues with backgrounds spanning from national security to infectious disease.