Readers write about what qualifies a person for citizenship in a country, underemployed white-collar workers, and using nuclear waste as a source of energy.
The G-20 nations, representing most of the world's economy and population, are convening with the knowledge that they will sink or swim together.
The G-20 summit this weekend will grapple with a global crisis.
Old art form is flourishing in US as new opera companies open and works are premiered.
Experts fear the credit crunch will discourage governments worldwide from turning to taxpayers for assistance in climate-change efforts.
In the south, the parliament voted to double its budget to cover military spending, and the north spent 20 percent of its budget on the military.
It is bringing the technologies of tropical farming to other parts of Latin America, and to Africa and Asia.
The money may not jump-start enough domestic spending, but signals to world leaders that China is engaged in resolving the global financial crisis.
Chen Shui-bian, once an anticorruption crusader, was detained Tuesday on charges that he embezzled millions of dollars in public funds.