Gregory Karp covers airlines and writes the biweekly Spending Smart column. Before joining the Tribune, he was a business editor and reporter at The Morning Call in Allentown, Pa. Karp is author of two books, "Living Rich by Spending Smart" — and a CD audio program by the same name — and "The 1-2-3 Money Plan." He likes rotisserie baseball, pocket billiards and sandwiches.