On Friday, Nov. 14, the women of Omega Tau Zeta held their eighth annual charity banquet for ovarian cancer, Petal by Petal. The banquet was held at Hale Hall from 6 to 8 p.m. The evening started with a presentation about the sorority by Valerie Tiu, a fourth-year in biology and president of Omega Tau Zeta. The sorority's philanthropy chairs, Elizabeth Molla and Huynh Son, shared information about ovarian cancer…