The moments Grace Maxwell had shared with her grandfather over the years had been “his greatest joy.” And a trip home to Wichita, Kansas, had allowed the 20-year-old to be by his side one final time. Dozens who died over Washington shared a flight but each had their own story Maxwell, a mechanical engineering major, was returning to college just a day after her grandfather’s funeral when she and 66 others were killed in Wednesday’s collision between an American Airlines jet and an Army helicopter over Washington, D.C. One of the victims was a young lawyer from the capital city whose meeting in Wichita ended early enough for her to make a flight back for her birthday celebration. Another was a police colonel whose home was in the Philippines, but whose work had taken him to Kansas to check out equipment the force planned to purchase. As Maxwell’s classmates in Ohio filled the pews of Cedarville University’s chapel Friday, they joined others mourning the singular lives lost and grasping to make sense of the random …