The Singaporean government, which represents legal migrant workers in employment disputes and claims of exploitation, requires that they stay in the country until the disputes are settled. If they leave, their claims are closed.

Like so much in Singapore, admission to the Marina Bay's casino is hierarchical: Free for anyone with an international passport, costly for locals, off-limits to migrant workers altogether.

Ten years ago, we were hiring teams of lawyers. Today, we're hiring teams of biologists and workers to restore the creeks' habitat. If you're seen as resisting your environmental responsibilities, people will keep coming after you. This creek is going to continue to be under the microscope. We want to be on the high ground of that issue.

Historically, war journalists have embedded themselves with one side, which means the greatest threat comes from the clearly delineated enemy of that side.

The slow pace of trains in the U.S. can be maddening, particularly during delays on rail sidings for an hour or more to enable freight trains - which have the right-of-way - to pass.

Without an adequate response, an epidemic can develop into a pandemic, which generally means it has spread to more than one continent.