It’s easy to be excited about Farm Aid on September 21st, especially with such amazing artists coming to SPAC including Willie Nelson, John Mellencamp, Neil Young, and Dave Matthews. But did you know that these headliners are also on the Farm Aid Board? I’ll admit, even I’ve gotten a little wrapped up in the hype surrounding the concert itself, I might have even forgotten about the main purpose of the event: Growing the good food movement. If you couldn’t tell…