When you hear about a Navy relief effort, you usually don’t think about the needy deprived of all-you-can-eat midnight buffets with chocolate fondue fountains. But staff writer Gidget Fuentes has a story about the carrier Ronald Reagan’s mission: supplying a stranded cruise ship packed with 4,500 vacationers and crew members with more 70,000 pounds of food. These sun-loving, buffet-grazing guests had booked a seven-day cruise to the Mexican Riviera, with stops in Puerto Vallarta, Mazatlan and Cabo San Lucas. Now they’re stuck off northern Baja California, awaiting delivery of frozen pastries and canned meat products. The tons of food were…