February 20, 2015 4:40 am Drones to Inspect Snow-Covered Roofs One Massachusetts town has a new tool in its fight against the risk of snow-covered roof collapses: drones. US & World Videos 1:17 Student loan forgiveness: Deadline to consolidate loans is April 30 0:59 Runaway zebras corralled in Washington state; one still missing 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza