KANSAS CITY, Mo. — They stood in a circle in the parking lot of an East Side community center on a chilly Monday afternoon, five days after Kansas City’s Super Bowl parade and rally ended withthe death of Lisa Lopez-Galvan and nearly two dozen wounded. A circle of 60, or thereabouts, so it wasn’t all that small of a gathering, but far smaller than it should have been for as big of a problem with gun violence as Kansas City has, Rosilyn Temple said. “This parking lot should be packed,” said Temple, founder of the Kansas City chapter of Mothers in Charge, a national violence prevention group. “T…