"There are only two forces that can withstand the force of the war's spirit when it seizes upon the world. The one is the force of an independently thinking, free, and articulate democracy. The other is the force of an instructed and enlightened public opinion."

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Are there any military actions that the president of the United States may not order on his own authority? If so, what are they? Bit by bit, decade by decade, Congress has abdicated its assigned role in authorizing war. Today, it merely rubberstamps what presidents decide to do (or simply stays mum). Who does this deference to an imperial presidency benefit? Have U.S. policies thereby become more prudent, enlightened, and successful?

— Andrew Bacevich