The leader of Vietnam will visit with President Barack Obama, a historic moment in the relationship between the two countries that fought a war against each other 40 years ago.
Vietnam has joined China in the race to stake territorial claims in the South China Sea by building artificial islands.
Zhou Yongkang, the former head of China's domestic security apparatus and one of the country's most powerful actors, has been arrested on charges of corruption, seemingly bringing to a climax a purge of Communist Party officials by President Xi Jinping.
A political crisis is brewing in Ukraine as two ruling parties withdrew from the parliament, and the legal authorities try to ban the Communist Party.
