STEWART AIRPORT — The raindrops were pelting and the sky had just gone reluctantly from black to gray. It was 6 a.m. and already they were waiting, holding flags and posters. By 6:45 a.m. people packed the drop-off area at New York Stewart International Airport as the roar of Rolling Thunder motorcycles announced the approach of the luminaries they had all come to see.Four buses pulled up to the curb and the doors folded open.“There he is!” [...]