Trump orders most American troops to leave Somalia.
Trump pardons Flynn despite guilty plea in Russia probe.
US agency ascertains Biden as winner, lets transition begin.
Pfizer seeks emergency use of COVID-19 shots in US.
US lifts Boeing 737 MAX flight ban after two fatal crashes.
300,000 tweets flagged over election disinformation.
Second virus vaccine shows striking success in US tests.
Schools abandon classes as Coronavirus surges.
Catastrophe in Yemen as U.N. warns of famine.
White House moves Trump loyalists into key Pentagon jobs.