The U.S. Wants Answers on Russian Lab Death

A.M. Edition for Oct. 7. Washington is pushing Moscow for more information about a mysterious laboratory death in Siberia, saying the details shared so far have been limited. WSJ Russia bureau chief Thomas Grove says the coming days will be crucial in determining whether a potential plague outbreak is underway. Plus, Shell's refining margin hits a new record as the closure of Mideast refineries boosts its bottom line. And we look at the cohort of influencers on a mission to stop people paying sky-high medical bills. Luke Vargas hosts.