Column by Terry Berkson A Miller’s Knot Bumped into Buster Whipple several summers ago at Joe’s Pizzeria downtown. He was up from Florida to attend his grandchild’s graduation. We hashed over old times, among them, days I used to work with him on his family’s farm. We were doing hay the year I was eighteen and headed for Brooklyn College in the fall. “You’re a good worker now,” Buster had said as I threw a bale onto the wagon. “But…