(Jim Huylebroek | The New York Times) An American soldier on a CH-47 Chinook helicopter flying over Kabul, Afghanistan's capital, on May 2, 2021. "On the left, many now reject the idea that America can be or is a global champion of democracy," writes New York Times columnist David Brooks. "On the right the wall-building caucus has given up on the idea that the rest of the world is even worth engaging."