Martin Salia, a surgeon from Sierra Leone, died in Nebraska facility.
The U.S. Senate's new Republican leader and President Barack Obama have vowed to end political gridlock.
Brittany Maynard, 29, reignited the debate on assisted-suicide.
The U.S. has praised Ebola-hit West African nations and foreign donors for their efforts in tackling the outbreak.
Guards guilty of killing 14 Iraqis in a square in Baghdad in 2007.
Julia Pierson steps down following several high-profile security lapses.
Suspect had 800 rounds of ammunition and a machete in his car.
President Obama has ruled out a combat mission in Iraq.
President Barack Obama imposed the most sweeping immigration reform in a generation, easing the threat of deportation for about 4.7 million undocumented immigrants and setting up a clash with Republicans.
Fresh wave to hit cities after storm that left at least seven dead.
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