Original sentence: Carlson's use of hyperbole as a rhetorical device was cited by Fox News in its successful defense in 2020 of a slander lawsuit by Karen McDougal, after Carlson argued in 2018 that Donald Trump had been a victim of extortion by McDougal
Edited sentence: Carlson's use of hyperbole as a rhetorical device was cited by Fox News in its successful defense in 2020 of a slander lawsuit by Karen McDougal, after Carlson argued falsely in 2018 that Donald Trump had been a victim of extortion by McDougal