Who brings a gun to a victory parade, anyway? Someone did, and this mass shooting at the Kansas City Chiefs’ Super Bowl victory parade puts a stain on this city. I attended Wednesday’s parade. The atmosphere was festive and fun. Never would I have thought a mass shooting or any sort of violent act would occur. Gun violence knows no bounds, it seems. Shortly after the Chiefs rally ended Wednesday, gunfire erupted on the west side of Union Station, according to Kansas City Police. One person was killed and 10 to 15 people were injured by gunfire, police said Wednesday. Several people were struck…