By FADI TAWIL and MOHAMMAD ZAATARI, Associated PressBEIRUT (AP) — Thousands of families from southern Lebanon packed cars and minivans with suitcases, mattresses, blankets and carpets and jammed the highway heading north toward Beirut on Monday to flee the deadliest Israeli bombardment since 2006.Some 100,000 people living near the border had already been displaced since…