Seth Meyers also noted Trump's insecurities when it comes to Greta Thunberg: MEYERS: And on top of all that, he attacked a 16-year-old climate activist, Greta Thunberg, simply for trying to save the planet from an existential crisis. Trump tweeted today, “Greta must work on her anger management problem then go to a good old-fashioned movie with a friend chill, Greta, chill." You want her to chill?