The U.S. should be playing a larger role in getting to the bottom of the theory that Covid-19 first leaked from a virology lab in Wuhan, China, Atlantic Council senior fellow Jamie Metzl told CNBC on Monday. The White House did not immediately respond to CNBC’s request for comment. A previously undisclosed U.S. intelligence report found that researchers at the Wuhan Institute of Virology sought hospital care after falling ill “with symptoms consistent with both Covid-19 and common seasonal illness,” The Wall Street Journal reported Sunday, quoting from the report. White House press secretary Jen Psaki said Monday that determining...