WASHINGTON, Oct. 2 -- Amtrak (National Railroad Passenger Corp.) issued the following news: * * * Save on Amtrak Travel This Season with our "Falling Fares Sale" * For a limited time, enjoy up to 25% off select routes nationwide and Acela Business Class WASHINGTON - Travelers can save big and embrace the beauty of fall through the window of an Amtrak train during the limited-time "Falling Fares Sale." Customers can enjoy discounted fares for travel on routes across the country, giving that  more