President Obama has announced several rounds of economic sanctions on Moscow, acting with European allies. Here are answers to some simple questions about sanction specifics.
Rival militias are battling for control of Libya's international airport, which is closed after rocket fire destroyed most of the planes on the ground.
The 50th anniversary of the Civil Rights Act is also a chance to note how often peaceful protests for basic freedoms still find traction in many places in the world.
Khalifa Haftar survived a suicide bomb attack Wednesday. He is battling Islamist militias backed by allies in Libya's parliament. Meanwhile, a Red Cross official was shot dead in Sirte.