Bing may have been launched as a "decision engine," but Microsoft's now trying to make sure it's a site where people will spend a fair amount of time. And to that end, Microsoft added seven new games to what it called the "Bing entertainment browser" this afternoon. The seven games are of the casual variety. Think checkers (or FarmVille), not chess (or Starcraft II), in other words, meaning they'll be accessible to all sorts of individuals. Otherwise,