b'Russians are fleeing the country in huge numbers after Vladimir Putin announced he would send fighting-age men to the front lines in Ukraine. Here at The Late Show, Stephen found out that the happy nerds at NASA celebrate a win in much the same way that our writers celebrate a successful joke.And Samuel L. Jackson is back on Broadway in August Wilson\\u2019s, \\u201cThe Piano Lesson,\\u201d working with his wife LaTanya Richardson Jackson who is directing the play.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'