The Global Engagement Center (GEC) was supposed to be a powerful tool in the fight against terrorism and fake news. Created by President Barack Obama in 2016, it was initially designed to counter terrorist messaging online. But over time, the focus shifted, and it started aiming its resources at something very different—alleged "Russian election interference." In fact, it became obsessed with spreading the idea that Russia was trying to manipulate US elections. In the process, it wasted million...