LET FROMMER'S SHOW YOU WHERE YOUR KIDS CAN: Take a simulated orbital flight Dress like Thomas Jefferson Ogle the Hope Diamond Pet a horseshoe crab Touch a moon rock Crawl through a replica of an African termites' mound See money being made PLUS INVALUABLE TRAVEL TIPS: Age ranges for each sight and activity Hotels that offer cribs and rollaway beds A complete rundown on restaurants with kids' menus Shopping for everything from baby booties to comic...