Trump again taps tech billionaire Jared Isaacman to lead NASA after previously pulling nomination

President Donald Trump is nominating tech billionaire Jared Isaacman for a second time to serve as administrator of NASA, he announced on social media Tuesday.

​ President Donald Trump is nominating tech billionaire Jared Isaacman for a second time to serve as administrator of NASA, he announced on social media Tuesday. Read More Breaking News, Latest News and Videos | CNN