After three months of work, the U.S. intelligence community has failed to pinpoint the origins of the pandemic that broke out in Wuhan, China, in late 2019. Its sparse, unclassified report released last week acknowledged it lacked clinical samples or epidemiological data from early in the outbreak, and asserted that China remains an obstacle. The need for a full and credible investigation into how the pandemic began — and how to prevent the next one — has never been greater.