Jumping off a big win at the kudofest Monday and helped by an otherwise weak field, "Brokeback Mountain" garnered the impressive achievement of a solid No. 1 win at the box office Tuesday and Wednesday despite playing just 682 theaters. With about $740,000 both days, Focus' cowboy love story beat "Glory Road," which was on 2,222 playdates, by approximately $50,000 Tuesday and $100,000 Wednesday. That puts "Brokeback" in a very strong position as it expands this weekend to 1,194 playdates -- a significant boost from the 800-900 Focus was planning before the Globes victories. ... Focus has been regularly expanding...