If you listen to the political discourse in America today, you would think that all our problems have been caused by the Mexicans of the Chinese or the Muslims. The reality is that we have caused our own problems. Whatever has happened has been caused by isolating ourselves or blaming others.

Media reporters have pointed out that the paragraphs in my Time column this week bear close similarities to paragraphs in Jill Lepore's essay in the April 22nd issue of The New Yorker. They are right. I made a terrible mistake. It is a serious lapse and one that is entirely my fault. I apologize unreservedly to her, to my editors at Time, and to my readers.

What we see today is an American economy that has boomed because of policies and developments of the 1950s and '60s: the interstate-highway system, massive funding for science and technology, a public-education system that was the envy of the world and generous immigration policies.

The Berlin Wall wasn't the only barrier to fall after the collapse of the Soviet Union and the end of the Cold War. Traditional barriers to the flow of money, trade, people and ideas also fell.

Religions are vague, of course. This means that they are easy to follow -you can interpret their prescriptions as you like. but it also means that it is easy to slip up -there is always some injunction you are violating. But Islam has no religious establishment - no popes, no bishops - that can declare by fiat which is the correct interpretation. As a result, the decision to oppose the state on the grounds that is insufficiently Islamic belongs to anyone who wishes to exercise it.

If envy were the cause of terrorism, Beverly Hills [and] Fifth Avenue ... would have become targets long ago.

My friends all say I’m going to be Secretary of State, [but] I don’t see how that would be much different from the job I have now