BOULDER – The Colorado women’s lacrosse team heads west this weekend to face No. 18 USC and Arizona State in their first conference road trip. The Buffs (3-4, 2-0) are coming off a three-game win streak, including a 17-15 upset over then-21 Stanford in CU’s first conference game this season. The victory also marked the program’s 100th win and head coach Ann Elliott Whidden’s 100th career win The Buffs then defeated California 20-3 to close out the weekend on a high note. That win was also historic because it was the program’s 50th win on Kittredge Field. The two wins…