Original sentence: Fairness and Accuracy in Reporting (FAIR), founded in 1986, is a progressive group that works against and documents alleged bias in the  and erroneous reporting, although they themselves have also been accused by Conservatives of being biased in favor of liberal media outlets
Edited sentence: Fairness and Accuracy in Reporting (FAIR), founded in 1986, is a progressive group that works against and documents alleged bias in the  and erroneous reporting