lemany <http://www.forbes.comilists/2008/11/biz_powerwomen08_Ellen-Alemany_JL7X .html> Chief executive, Royal Bank of Scotland Americas U.S. 45 Brenda Barnes <http://www.forbes.com/lists/2008/11/biz_powerwomen08_Brenda-Barnes_WE3E .html> Chief executive, Sara Lee U.S. 8 Ho Ching <http://www.forbes.c