tv Heard this on CSpan/Book TV last night:

[Dot Com]

I knew the U.S. Founders, some of them, were farmers like Jefferson & Washington

Founding Gardeners: The Revolutionary Generation, Nature, and the Shaping of the American Nation

http://www.booktv.org/Program/12532/Founding+Gardeners+The+Revolutionary+Generation+Nature+and+the+Shaping+of+the+American+Nation.aspx

There's the video link on the right of the page if you're interested. I had a little trouble understanding some as the author speaks w/ a German accent.