As secretary of state, Hillary Clinton helped restore America’s standing in the world, but she left office with no signature achievement. If she gets her way, her tenure as the country’s top diplomat will come to be seen simply as a stepping-stone to the presidency.

Since the end of the industrial age, Americans have worried about improving their education system. But the country has never been able to make much progress. Other nations do it better, and the United States must learn from their examples if it hopes to catch up.

Looming budgetary constraints and the U.S. Army's ongoing downsizing have enhanced the appeal of forces that are lighter, smaller, and cheaper than tanks and other protected vehicles. But not only have armored forces proved critical in yesterday's wars; they will also be needed to win tomorrow's.