The freeman foundation. By judy and Peter Blum Kovler foundation; pursuing solutions for americas neglected needs. And by contributions to this pbs station from viewers like you. Thank you. Laura am Laura Trevelyan in washington, d. C. , in this is bbc world news america. Pfizer says its new vaccine is almost 95 effective. We are not at theh f line yet. Yroughl 250,000 americans have died from the virus. Thony fauci he would like says the timing could not be worse for a slowdown. Dr. Fauci we are going in, obviously, a wrong direction at a very precarious time. Laura the boeing 737 max has been cleared for takeoffsearly 18 mon after it was grounded following two deadly crashes. Plus, the lost whaling station is a beacon of hope as the whales return ande thriv the antarctic. Welcome to world news america pbs and around the globe. There is yet more reason to be optimistic about the coronavirus vaccineop being dev by pfizer and biontech. It has passed safety checks, making it ready for ap