Christians cannot escape the responsibility for exercising sound judgment in every area of life. God intends to bring His shalom to the world through our judgments, so we need to make sure our judgments are in line with His.
To Judge the World, Part 1: Judging and Judgment
To Judge the World, Part 2: Judge Not?
To Judge the World, Part 3: Righteous Judgment
To Judge the World, Part 4: To Judge the World