ST. LOUIS, Mo. (First Alert 4) – One of St. Louis’s largest employers announces a six-figure donation towards a mayoral candidate. Bob Clark, the executive chairman and founder of Clayco, announced a donation of $111,330.25 to A Brighter Future for St. Louis in support of mayoral candidate Cara Spencer. Clark said his support for Spencer stems from Mayor Jones’s lack of support for economic development in North St. Louis…