PELHAM, N.Y. -- Three years ago, a tree crashed down on the Nashville, Tenn., house that Lindsay Peckham was prepared to buy. Now living in Pelham and beginning her second semester at Westchester Community College, a new life filled with promise and prosperity awaits her.“It’s a moment I think about all too often,’’ said Peckham, who will be honored along with Briarcliff High School ...