 FORT LAUDERDALE, Fla.--BUSINESS WIRE--National Beverage Corp. NASDAQ: FIZZ announces a trio of new naturally-essenced flavors of LaCroix getting ready to burn down store shelves. LaCroixs innovative new trio of Beach PlumTM, Black RazzberryTM and Guava São PaoloTM deliver refreshment and pleasure . . . beyond taste!! Beach Plum excites the imagination and incites dreams of summer with the delectable coolness of the luscious fruit native to the east coast of the U.S. The sweet twist of Black 