LONG BEACH (CBS) — Nearly two dozen passengers aboard the Carnival Splendor are back in the Southland Sunday after being robbed at gunpoint during their seven-day voyage in the Mexican Riviera. The cruise line pulled into the Port of Long Beach around 5:30 a.m. As they disembarked from ship, passengers talked with CBS2’s Kristine Lazar about last week’s incident. Passenger Ladean Hilgenberg described to Lazar in detail another tourist’s account of the ordeal. “One had a mask on hanging over his head and he said, ‘you see my automatic gun’ and a knife in his belt and he said it...