By Valerie WencisBU News Service BU News Service · LISTEN: Boston’s big sisters go virtual COVID-19 has prevented volunteers from the Big Sister Association of Greater Boston from mentoring the city’s girls in person. Valerie Wencis talks to Big Sister CEO Deborah Re and Big-Little sister match Brenna Murphy and Estela Diaz about how the … Continue reading LISTEN: Boston’s big sisters mentor remotely during the pandemic