By Bob Hostetler At 6:55 on a cold March evening, 12-year-old Valerie Webb, who lost her father in the September 11, 2001, terrorist attacks on New York”s World Trade Center towers, threw a switch that sent twin towers of light into the sky. The bright beacons, a tribute to the nearly 3,000 lives lost at that site, seemed a fitting memorial for the horrible acts that left a gaping hole in New York”s skyline . . . and in America”s heart. When something of that magnitude happens, it”s only natural””and right””to want to mark it and remember it. On the