 Complete the following phrase:  He was cited by major Canadian media as Canadas best gold medal hope for the 1912 Olympics. During training for the Olympics, he ran into conflicts with chief coach Walter Knox; according to the Manitoba Free Press of June 27, 1912, Knox accused Howard of insubordination, and, in an era when discrimination against black athletes was common, threatened to expel him from the team. The efforts of the Amateur Athletic Union of Canada kept Howard on the team. In the Olympics in Stockholm, he was hindered by a stomach ailment and stress resulting from discord with coach Knox, and was eliminated in the semi-finals of the 