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With the world watching, and with no evidence of widespread voter fraud, a top Trump official insists he envisions a second Trump term. The Supreme Court decides whether to overturn the Affordable Care Act. And a Vatican report examines the actions of three popes, as an American cardinal accused of abuse got the promotion of a lifetime.

American drugmaker Pfizer says its COVID-19 vaccine appears to be 90% effective. President Trump fires Defense Secretary Mark Esper. And Republicans offer public support, if private doubts, about Trump's path forward.

American drugmaker Pfizer says its COVID-19 vaccine appears to be 90% effective. President Trump fires Defense Secretary Mark Esper. And Republicans offer public support, if private doubts, about Trump's path forward.

President-Elect Joe Biden gets ready to implement his agenda, without waiting for acknowledgement from President Trump. With COVID-19 cases rising rapidly, the pandemic becomes the most pressing issue during the transition. And a divided Congress heightens tensions between Democrats and Republicans...but also between progressives and moderates.

President-Elect Joe Biden gets ready to implement his agenda, without waiting for acknowledgement from President Trump. With COVID-19 cases rising rapidly, the pandemic becomes the most pressing issue during the transition. And a divided Congress heightens tensions between Democrats and Republicans...but also between progressives and moderates.

With a win in Pennsylvania, Joe Biden will become the next President of the United States. So what's next for him...and for President Trump?

With a win in Pennsylvania, Joe Biden will become the next President of the United States. So what's next for him...and for President Trump?

Despite widespread agreement that Joe Biden likely has the votes he needs, ABC News has not projected a victory. ABC's Political Director Rick Klein describes what the Decision Desk is waiting for.

Despite widespread agreement that Joe Biden likely has the votes he needs, ABC News has not projected a victory. ABC's Political Director Rick Klein describes what the Decision Desk is waiting for.

As the avalanche of Democratic mail votes continues to be counted, Joe Biden has taken what could prove to be a fateful lead in Pennsylvania. Georgia remains close. But with this many uphill battles, can President Trump possibly end up victorious?