Our preview of the women's action, which features a clash between teen phenoms Mary Cain and Ajee' Wilson in the 1,000, a women's 2,000 with Kim Conley, Shannon Rowbury, Morgan Uceny, Treniere Moser and others, and a women's two-mile where Jenny Simpson and Sally Kipyego renew their rivalry and try to hold off Ethiopia's Sentayehu Ejigu.