U.S. Open women's semifinals: Making the case for each

U.S. Open women's semifinals: Making the case for eachNEW YORK — The semifinal quartet of Caroline Wozniacki, Kim Clijsters, Venus Williams and Vera Zvonareva have all been to this stage of a major before. They've all passed it, too.But something has to give when they take the court Friday. Who has the best chance to advance to the final and take home the spoils? 
Kim Clijsters vs. Venus