Members of the second team of volunteer nurses – three sisters from California – left Thursday for the Philippines to help in the RN Response Network’s relief project for Super Typhoon Haiyan/Yolanda. The siblings – Mary Lou Catedral, RN, her twin sister, Mary Ann Libeta, RN and their younger sister, Nancy Canapi, RN - are returning to their hometown, Roxas City, in the province of Capiz on the island of Panay.