Monday was a very scary day for J.W. Coffee and his family. The Canadian Middle School fifth-grader was walking out of his house with his cousin, and paused briefly, turning his head to talk to him. He did not see the rattler until it was already in mid-strike, and by then, it was too late. J.W.’s sister, Maggye, was there, and ran to neighbor Ron Cook’s house to seek assistance. Cook, who had…