When her husband left for war, newlywed Nicole Buonanno hung a time-honored tribute in his honor — a flag with a blue star, a symbol since World War I that a loved one in the military is in harm's way. Now the young bride is in trouble with her Tucson landlord, who wants the tribute taken down from the balcony of the couple's east-side apartment. On Wednesday, Buonanno received written notice from the management of Finisterra Luxury Rentals that she had 24 hours to remove the offending banner. She put it up on Jan. 4 — the day her husband,...