After weathering a yearslong political and legal assault, researchers who study disinformation say they see reasons to be cautiously hopeful as their efforts heat up ahead of the 2024 election. These researchers, along with the universities and nonprofits that they work for, have been in the crosshairs of Republicans and their allies, accused of acting as government proxies in a Biden administration plot to censor conservative speech online. Since 2021, those who worked to identify and combat disinformation around the last presidential election and Covid-19 have faced lawsuits,…