Decatur, Ill. (The Wall Street Journal)
By Melanie Grayce West
The solitude and meditative hum inside the cab of a John Deere tractor give Howard G. Buffett a place to think.
The middle child of billionaire investor Warren Buffett and the future nonexecutive chairman of Berkshire Hathaway, Mr. Buffett, along with his foundation, owns 3,780 acres of farmland across three counties in central Illinois. He bumps along rows of corn and soybeans in a tractor outfitted with a GPS system, air-conditioning, a radio, an iPad and a cellphone.
It was in this rolling office that the roots of an idea took hold…