In 2018 — nearly two years before the start of the global coronavirus pandemic — U.S. officials in China sent warnings to Washington expressing safety concerns over a Wuhan facility's research into coronaviruses in horseshoe bats, adding weight to the theory that the novel virus originated in a lab and not at a Wuhan wet market. The news broke in a report Wednesday by Josh Rogin of the Washington Post, who said that he obtained access to the first of two diplomatic cables sent from State Department officials who had visited the Wuhan Institute of Virology in January and March...