Sweden's Kallur and Perry from the U.S. compete during their women's 100m hurdles during the IAAF Golden...
Sweden's Susanna Kallur (L) and Michelle Perry from the U.S. compete during their women's 100m hurdles during the IAAF Golden League athletics meeting at the new Letzigrund stadium in Zurich September 7, 2007. REUTERS/Michael Dalder (SWITZERLAND)