The E.U. has moved to combat global terrorism by instituting common European arrest and evidence warrants and creating a joint situation center to pool and analyze intelligence.

Ireland has a role to play in making the E.U. united and strong.

David Cameron says he wants to keep Britain in the EU, but his tactics are so divisive that, if he gets what he wants it will be at the price of huge ill-will in Europe; or if he doesn't, it will be at the price of increased anti-EU sentiment in his own party and in British society.

U.S. companies rely on the European market for more than half of their global foreign profits.

The economy is not an abstraction. The economy consists of people, and it will only grow if people feel secure and are reasonably free.

European investment in Texas alone exceeds all U.S. investment in China and Japan put together.

That's where my job comes in. Getting the E.U. and U.S. to agree.