This week, Samsung surpassed Apple to become the No. 1 seller of smartphones. Also, more fallout from the Medtronic insulin pump hacking, and St. Jude gets clearance for an OCT-enabled device. St. Jude Gets Clearance for OCT-enabled Artery Disease System (StarTribune) Hackable Medtronic Insulin Pump Leads to Company Probe (MPMN) Cook Group Chairman: Medical Device Tax Will Kill 15% of Medtech...