In the realm of Philippine travel journalism, Susan Calo-Medina is an institution, so to speak. Long before the influx of travel programs and channels, travel magazines, and those countless travel websites and blogs like this one, she was one of those pioneering spirits who went out of her way to visit almost every point in the Philippines and show to us the rich sights and sounds the country has to offer. And for a generation or so of Filipinos who grew up watching her on Travel Time or on Tipong Pinoy with Wency Cornejo, Susan served as a gateway for us to discover and be inspired by the country’s beauty and diversity for the…