ABC News - World News Tonight with David Muir
Nov 16, 2020 A second vaccine breakthrough: Moderna announcing its coronavirus vaccine is "94% effective," as it aims to produce 20 million doses by the end of this year. Several cities and states nationwide impose new restrictions to curb the spread of COVID-19 with more than 1 million new cases reported in just the last week. President-elect Joe Biden speaks out on the Trump administration refusing to cooperate with the transition process, and a plan to distribute a coronavirus vaccine to Americans. President Trump signals he will withdraw "significant troops" in Iraq and Afghanistan just before he leaves office. And tracking the category five hurricane expected to make landfall in Central America.