The problem is that neither the M1 nor the M60 or indeed neither any tank, has sufficient ground pressure to drive a [bulldozer] blade into even marginally hard ground. They are not bulldozers, they are tanks, whether you are talking about the M1 or the M60's. So if you are going to dig in a tank, you need to have some kind of equipment.

Of course, China is a key to the North Korea if we're going to solve that riddle, but they could also be helpful on Iraq, which is why it's important that we maintain a constructive dialogue with China.

And I argued with that intelligence estimate and I think it is a responsibility of policymakers to use their best judgment on the basis of the intelligence they've received.

These are all elements, but the main thing we can do in the Middle East is encourage the reformist elements.

There's clearly something to be said for success and following through on your commitments.

The Crown Prince has said he needs to broaden political participation in the governing of Saudi Arabia.

Intelligence is not a science.