As Syria continues its assault on Homs, Russia is backing humanitarian assistance and the US has opened the door to arming the opposition.
A dancer from the Mangueira samba school performs during carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, Tuesday, Feb. 21, 2012.
Once a top investigative reporter in China, Deng Fei now writes a popular microblog that moves readers to action.
Disasters can cause even adversarial nations to enjoy heart-to-heart moments of compassion. Russia delivers emergency fuel to an Alaskan town; the US Navy rescued Iranian fishermen.