You'll come home with a million sun-drenched memories of a holiday in Hawaii. Here are 10 mementos you can take with you. ANYTHING PINEAPPLEThey may be the most common symbol of Hawaii, and you'll find pineapples, pineapple products, and pineapple motifs everywhere. Pineapples are actually native to South America, and their Hawaiian name 'halakahiki' means 'foreign fruit'. They arrived in Hawaii in the 1500's,...