Sell Prating News Today

>> all i could think is how, and why. >> the whole stadium, paying tribute to damar hamlin in the first nfl game since his collapse the reason why this former coach broke down in tears. why police are looking for a customer who killed an armed robber at a taco shop, all of it captured on camera. green flag for the great driverless car competition no one at the wheel, no remote controls, who will win the race to the future? >> announcer: this is "nbc nightly news" with jose diaz-bal...