Original sentence: Kevin Drum is an American blogger, originally known for the influential liberal blog CalPundit.Stylistically the blog is known for offering some original statistical or graphical analysis (unusual for the genre)
Edited sentence: Kevin Drum is an American blogger, originally known for the influential left-leaning blog CalPundit.Stylistically the blog is known for being reasonably level-headed and for offering some original statistical or graphical analysis (unusual for the genre)