On the tourist island of siargao on friday, levelling homes and displacing hundreds of thousands of people. the united nations says some 13 million people may have been affected. sara monetta reports. after the storm, the devastation is everywhere. on friday, super typhoon rai pummelled the southern and central regions of the philippines, tearing roofs off buildings, uprooting trees, toppling power poles and flooding villages. these paradise islands, popular tourist destinations, are now cut off from the world. local airports are damaged and communications are down. more than 300,000 people ha...