A new Democratic-aligned political action committee advised by retired Army Gen. Stanley McChrystal, the former head of U.S. forces in Afghanistan, is planning to deploy technology originally developed to counter Islamic State propaganda in service of a domestic political goal - to combat online efforts to promote President Donald Trump's handling of the coronavirus pandemic. The group, Defeat Disinfo, will use artificial intelligence and network analysis to map discussion of the president's claims on social media. It will seek to intervene by identifying the most popular counter-narratives and boosting them through a network of more than 3.4 million influencers across...