Tweaking the balance in a competitive real-time strategy game with a fanatical fanbase is never easy. Even the most minor changes can send shock waves through the entire experience, upsetting the existing balance, rendering reliable strategies useless, and potentially causing new issues. Don't forget the changes also open up new opportunities. In a post on the StarCraft II official site, Blizzard explains the decision process behind some of the changes in the recent 1.3 patch...