The 2017 GIII Canadian Derby has been declared official--for the fifth time. But the upholding of the controversial commission-level disqualification of Chief Know It All (Flashy Bull) from western Canada's most prestigious race might still not end up being the final judgment in a case that has now languished in the courts for three-plus years. The Alberta Court of Appeal ruling, first reported Nov. 23 by Canadian Press, is the latest twist in the prolonged legal challenge over whether stewards are the final arbiters of foul-related race disqualifications in that...