American Vincent Hancock won a historic fourth Olympic gold with a win in the men’s skeet shooting on Saturday. He now joins a very exclusive group of six other athletes who won four golds in the same individual event, including compatriot and swimming great Michael Phelps. Hancock also won gold in the men’s skeet in Beijing, London and Tokyo. The US also took silver through Conner Lynn Prince, while bronze went to Meng Yuan Lee of Taiwan. Skeet sees competitors shoot flying clay targets with shotguns. US swimmer Katie Ledecky has the opportunity to join Hancock in winning four individual gold…