Original sentence: On April 28, 2007, the day of MEC's annual general meeting, the Vancouver Sun, ran a front-page article in which competing retailers criticized MEC for having an unfair advantage over smaller outdoor gear retailers, due to its lesser tax burden resulting from its cooperative status
Edited sentence: On April 28, 2007, the day of MEC's annual general meeting, the Vancouver Sun, a right-wing newspaper, ran a one-sided front-page article in which competing retailers criticized MEC for having an unfair advantage over smaller outdoor gear retailers, due to its lesser tax burden resulting from its cooperative status