A surprising FDA rejection of its most advanced drug candidate caused Portola Pharmaceuticals (NASDAQ: PTLA) shares to crater. What derailed Portola Pharmaceuticals' application for approval, and can this company get itself back on track?In this clip from The Motley Fool's Industry Focus: Healthcare podcast, analyst Kristine Harjes and contributor Todd Campbell discuss whether Portola Pharmaceuticals' hiccup means this drug will never see the light of day.A full transcript follows the video.Continue reading