U.S. President Donald Trump speaks about administration efforts to develop a vaccine as Dr. Debbie Birx, the White House coronavirus response coordinator, and National Institute of Allergy and Infectious Diseases Director Dr. Anthony Fauci listen during a coronavirus disease (COVID-19) pandemic response event in the Rose Garden at the White House in Washington, U.S., May 15, 2020. REUTERS/Kevin Lamarque - RC25PG9C3C88

As COVID-19 spread from Asia to the Middle East to Europe, why was the U.S. caught so unprepared? Despite repeated warnings of a potent contagion headed our way, America’s leaders failed to prepare and protect us. Why and who is accountable?