This episode of Whistlestop travels to the spring of 1787 when fifty-five men of property and elite status argued in Philadelphia at the Constitutional Convention for what President John Adams called  "the greatest single effort of national deliberation that the world has ever seen,” and soon the American Presidency was born.Whistlestop is Slate's podcast about presidential history. Hosted by Political Gabfest host John Dickerson, each installment will revisit memorable moments from America's presidential carnival.Love Slate podcasts? Listen longer with Slate Plus! Members get bonus segments, ad-free versions, exclusive podcasts and more. Start your two-week free trial at slate.com/podcastplus. Email: [email protected]. Podcast production by Jocelyn Frank. Research by Brian Rosenwald and Elizabeth Hinson.