Americas

Cyberwarfare is not an abstract future threat. The United States’ electronic defenses are vulnerable and Washington must act quickly to secure computer networks, software, and hardware before it is too late.

The global economic crisis has revealed the folly of large U.S. budget and trade deficits, as well as of the strong dollar that makes them possible. If it is serious about recovery, the United States must balance the budget, stimulate private saving, and embrace a declining dollar.

Next week, Edward Morse will answer reader questions about the price of oil and what it means for oil-producing states and U.S. foreign policy. Submit a question

The economic crisis is hurting the world's top currency. But the pound, the yen, the euro, the renminbi, and the IMF's accounting currency are no match for the dollar. At least for now.