Original sentence: Named after Robert Fisk, a British journalist and author who writes on the Middle East, the term was employed in 2001 by various American conservative and libertarian bloggers who reposted Fisk's dispatches on their own blogs, along with paragraph-by-paragraph commentary that challenged, countered, and/or mocked Fisk's viewpoints
Edited sentence: Named after Robert Fisk, a British journalist, author and expert on the Middle East, the term was employed in 2001 by various American conservative and libertarian bloggers who reposted Fisk's dispatches on their own blogs, along with paragraph-by-paragraph commentary that challenged, countered, and/or mocked Fisk's viewpoints