Has Bernie Sanders been woefully underestimated? The columnists discuss the Vermont senator’s rise in 2020 polling, his current spat with rival progressive Elizabeth Warren and whether Sanders has been given short shrift by Democratic Party insiders and the national news media. Then, as Michelle talks through the next column she's writing: Technology was supposed to solve the world’s problems, but it seems to have made more unsolvable ones. Is tech why the future looks so grim? For background reading on this episode, visit nytimes.com/theargument