On January 20, 1961, when President John F. Kennedy delivered his legendary inaugural address containing the immortal words "ask not what your country can do for you—ask what you can do for your country," millions of Americans assumed a brilliant speechwriter had crafted this historic call to service, but the truth is far more extraordinary: JFK wrote those electrifying words himself during a freezing night just days before his inauguration, scribbling on yellow legal pads while chain-smoking ci