An examination by NBC5 Investigates shows the former 18th District congressman spent more than $42,000 on travel expenses, most of it on airfare, with one notable $4,000 stay at the swank White Elephant Hotel in Nantucket. The congressman dropped another $3,407 for gift bowls at Tiffany’s, and more than $3,000 at Garrett’s Popcorn. The federal records indicate that his American Express bills topped more than $75,000.