For many people in the West, the word ‘jihad’ conjures up images of a violence and terror. WNYC Reporter Arun Venugopal investigates a campaign which aims to remind people that for most in the Islamic world, jihad means ‘internal struggle.’ Venugopal speaks with Ahmed Rehab, the man behind the campaign, as well as Columbia University Professor Adam Galinsky, and conservative pollster Frank Luntz.