The tests come shortly after Iran test-fired medium-range missiles and disclosed work on a secret nuclear facility, and as the US is pushing tougher sanctions.
In response to US tariffs imposed last Friday, Beijing threatened to investigate alleged US dumping of auto and chicken parts. But both categories would only allow limited retaliation.
UN condemnation brings vows from North to restart nuclear program, pull out of six-party talks.
N. Korea's missile launch Sunday complicates the long-term strategy of the US and her Asian allies toward Pyongyang's nuclear program.
Legal efforts to retrieve two bronzes looted by Western troops in 1860 may fail. Another option: let wealthy donors buy them back.
An examination of China's record in Geneva Monday will test the country's willingness to answer international criticism.
China said Tuesday it may turn away a ship full of weapons headed for Zimbabwe's leader.
Bloggers are now calling for boycotts and stoking death threats over perceived insults from Westerners who have criticized China's human rights record ahead of this summer's Olympic Games.