"Nearly all the sheep ranchers in Blue Gum Valley rode horses or drove jeeps to check on their sheep. But Joshua Summerhayes liked to run...with Yellow Dog trailing behind him." So it's no surprise when Joshua decides to enter a race from Melbourne to Sydney. People laugh when old Joshua shows up in his overalls and gumboots, calmly nibbling a slice of pumpkin for energy. But then he pulls into the lead, and folks are forced to sit up and take noticeI