Foreign policy is dominating U.S. political discourse for the first time in years. This backgrounder looks at the leading schools of foreign-policy thought on both sides of the political aisle.

Polls continue to show Democrats regaining control of at least one house of Congress in the November 7 elections. If this happens, they could exercise greater oversight of executive bodies and trade …

The reliance on unmanned drones to target terror suspects in Pakistan has been quietly lauded by U.S. officials. But the covert program, which has so far gotten little public scrutiny, is facing moun…