And I hope that we can learn the lessons of the past in looking at the current challenge that China poses to a ruling America.

I think the election of Trump was an expression of what happens in ruling powers as they become alarmed.

Given that the Al Qaeda core has been significantly destroyed or disabled, and that the leadership seems to be essentially on the run or in hiding, it would lead me to think that probably it is one of the less centralized groups that might be the greatest danger.

There are two great tragedies in life: one is to fail to achieve one's grandest ambitions, and the other one is to succeed.