There are certain truths National Football League (NFL) fans grow comfortable with over time. One of them, at least in the Midwest, was the Kansas City Chiefs belonged in Missouri. Arrowhead Stadium stood as a physical symbol of that belief, rooted in decades of history and reinforced by a fan base that treated the location as sacred. Whether the team was winning championships or grinding through leaner years, the idea that the Chiefs were immovable felt settled.That sense of permanence no longer feels quite as firm.In recent months, serious momentum has built behind the possibility the Chiefs will relocate from Missouri to Kansas. Kansas lawmakers approved a major incentive package designed to lure the franchise across the state line, opening the door to a new domed stadium in Wyandotte County along with team headquarters, training facilities and a surrounding entertainment district. The stadium alone is projected to cost more than $3 billion, with the full developmen...