[by Julie Goldsticker/USA Boxing] After a perfect opening day at the 2012 Women’s Continental Championships in Cornwall, Ontario Canada, the U.S. squad split their second day contests, winning their first two match-ups and dropping their final two bouts at the NAV Centre. Flyweight Marlen Esparza (Houston, Texas) and featherweight Tiara Brown (Lehigh Acres, Fla.) both