KANSAS CITY, Mo. — The Kansas City Chiefs are hosting a fourth straight American Football Conference Championship game, something that’s never happened in the National Football League. If you aren’t a fan yet or you’re looking to jumpstart your fandom, there’s no better time than now. Before they kickoff against the Cincinnati Bengals at 2 p.m. on Sunday, take some time to learn about the Chiefs’ rich history. We couldn’t include every moment of celebration, frustration, excitement and anguish, so we put together a small selection of what makes the Chiefs a must-follow in Kansas City. And you …