Investment by any foreign company in any element of the U.K.'s Critical National Infrastructure should receive careful scrutiny.

As has been the case throughout the history of terrorism, government anxiety centres on what to do about those against whom there may be intelligence but no usable evidence.

Intelligence is fragmentary and hard to discover, so it is by joining forces and sharing information with our allies that we maximise our ability to protect ourselves.

Since 1955, the U.K. has been part of an intelligence-sharing arrangement with the U.S., Canada, Australia and New Zealand. Intelligence-sharing is, in itself, commonplace.

Zombies let us explore notions of the apocalypse - no water, food, medical care, the government imploding - while letting us sleep at night.

As a society, I think we express our cultural mores through our politics. We're trying constantly to figure out what's OK and what's not OK. And it's hard, because our society is constantly buffeted by gale force winds of technology. Things are always changing.

When you live in America, it's kind of insular - the news coverage that you get - unless you're really smart about it and find more international news coverage. I've learned that from my husband. In the French culture, they talk politics.

The sale of Treasury bonds, notes, and bills finances the U.S. government, and those securities are, in turn, a primary vehicle for savings for a wide range of U.S. households. Treasury securities are also an important source of collateral within the financial system.