Too often, governments are quick to use excessive force and even pervert the course of justice to keep oil and gas flowing, forests logged, wild rivers dammed and minerals extracted. As the Global Witness study reveals, citizens are often killed, too - especially if they're poor and indigenous.

"War," says Machiavelli, "ought to be the only study of a prince;" and by a prince he means every sort of state, however constituted. "He ought," says this great political doctor, "to consider peace only as a breathing-time, which gives him leisure to contrive, and furnishes ability to execute military plans." A meditation on the conduct of political societies made old Hobbes imagine that war was the state of nature.

Sanctions did indeed help to bring Iran to the negotiating table. But sanctions did not stop the advance of Iran's nuclear program. Negotiations have done that, and it is in our interest not to deny ourselves the chance to achieve a long-term, comprehensive solution that would deny Iran a nuclear weapon.

I think the political class in Berlin doesn't need to be supervised and monitored by intelligence services in order to find out what they're thinking. Just go to lunch with them, go to dinner with them, or read the papers.

Your every voter, as surely as your chief magistrate, exercises a public trust.

'Do you pray for the senators, Dr. Hale?' No, I look at the senators and I pray for the country.