FILE PHOTO: U.S. President Donald Trump listens to Vice President Mike Pence speak during an event about the “Operation Warp Speed” program, the joint Defense Department and HHS initiative that has struck deals with several drugmakers in an effort to help speed up the search for effective treatments for the ongoing coronavirus disease (COVID-19) pandemic, in the Rose Garden of the White House in Washington, U.S., November 13, 2020. REUTERS/Carlos Barria
