Vision TV, the national multi-faith cable channel, announced that its Credo show, which challenges prominent people to speak about their spiritual convictions, will host Olympic sprinter Donovan Bailey on Feb. 17 and environmentalist Bob Hunter on Feb. 24. Credo airs Tuesdays at 10 p.m., EST.

Another Vision program, Valerie Pringle's Test of Faith, hosted by broadcast journalist Valerie Pringle, will tackle the following topics in February: "True Colours" (Feb. 9), "Human Enhancement: Is the Quest for Perfection Ethical?" (Feb. 16), "Movies and Morality: No Boundaries at the Box Office" (Feb. 23). Test of Faith airs Mondays at 10 p.m. and 1 a.m., EST.