Seth addresses Trump saying he would rather go to "ribbon cuttings than to groundbreakings," Pope Leo saying his new role has a "huge learning curve" and more in his monologue for Monday, September 15, before taking a closer look at Trump responding to Russia's invasion of Poland's airspace by giving an ultimatum to NATO. Late Night with Seth Meyers. Stream now on Peacock: https://bit.ly/3erP2gX Subscribe to Late N…
SOURCE: YouTube at 05:00AM on September 16, 2025