NAMED A "BEST BOOK" BY TRAVEL & LEISURE Like its predecessor, Weekend Getaways in Louisiana and Mississippi, Mary Fonseca's new, updated version presents the same wide choices for excursions that are designed for a two-to-three day stay. Covering cities large and small from Houma to Ruston, from Natchitoches to Lake Charles and in between, it includes Cajun music festivals, historic state capitals, antebellum plantations, swamp tours, outdoor...