Troopers crank up the pressure to push a suicidal man with a shotgun to leave his house. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the …

“The images are startling. Billowing black clouds darken the daytime sky as wind-driven grit pelts homes and cars and forces bewildered residents to take cover. The onslaught, captured in photos and video footage from Detroit and Chicago this year, was caused by the same thing: brisk winds sweeping across huge …