Academics, universities and government agencies are overhauling or ending research programs designed to counter the spread of online misinformation amid a legal campaign from conservative politicians and activists who accuse them of colluding with tech companies to censor right-wing views. The escalating campaign - led by Rep. Jim Jordan (R-Ohio) and other Republicans in Congress and state government - has cast a pall over programs that study not just political falsehoods but also the quality of