MarketplaceExamining why palm oil is so easy to spot in some products, and almost impossible in others; examining dog DNA kits.
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Now PlayingMarketplaceExamining why palm oil is so easy to spot in some products, and almost impossible in others; examining dog DNA kits.0The Fifth EstateExploring the sudden spike in sports gambling ads and whether Canada's rush to get into the game is a bad bet; reporter Bob McKeown.