in the sky whwhy the pentagon s warning tonight is not about alien life the severe weather threat across the plains millions facing high winds and large hail in the middle of the country. our series, climate challenge, the threat facing some endangered gentle giants of the sea, but also signs of hope and the official end of a bygone era, streaming giant netflix pulling the plug on its dvds by mail announcer: this is nbc nightly news with lester holt good evening, and welcome. they are the things that happen all the time, a mixed up address, pulling into the wrong driveway, or confusing one car from another, yet remarkably for a third time in a week, seemingly innocent moments of confusion have led to bloodshed from kansas city where a teen who approached the wrong doorstep is recovering from two bullet wounds, to new york state where a 20-year-old woman was fatally shot after the car she was in accidentally drove up the wrong driveway, and now in elgin, texas, a h