powerful new spacex rocket what caused it, and why nasa is still call calling it in a success. car repossessions on the rise as more americans struggle to make ends meet how to navigate the high cost of owning a car. cutting down on food waste to combat climate change the amazing school that s making sure less ends up in the landfill in our series climate challenge. and finding a signature moment with the coach who helps people tune up how they write their names. announcer: this is nbc nightly news with lester holt good evening and welcome. violent weather has exacted a heartbreaking toll this spring. the rate of tornado deaths in the u.s. rapidly outpacing last year and tonight, another community and state are reeling in the aftermath of a deadly strike people in mcclain county, oklahoma, found themselves in the literal path of disaster as a massive funnel cloud bore down last evening at least three lives were lost in what the weather service has now classified