The People's House tells the story of the two mansions that have housed most of Kentucky's governors. The Old Mansion, first occupied by Gov. James Garrard in 1798 and long known as the "Palace" -- and now the residence of the state's lieutenant governor -- is reputed to be the oldest official residence still in use in the United States. The parlor and formal dining room have welcomed dignitaries, artists, and poets. The New Mansion, a masterpiece of Beaux-Arts architecture, whose historical source was the Petit Trianon at Versailles, has housed every governor since James Bennett...