The national defense budget could be cut by nearly a quarter and still leave the United States military in shape to take on all likely threats and fulfill its role in the war on terrorism, says Charles Pena, director of defense policy studies at the Cato Institute. Furthermore, the United States is outspending the rest of the world at an astounding rate. According to the International Institute for Strategic Studies (IISS), in 2003: Total U.S. defense expenditures were $404.9 billion, an amount exceeding the combined defense expenditures of the next 13 countries and more than double the combined defense spending...