American Express is running an interesting promotion- Take Charge of Your Travel where you get up to a $20 statement credit for purchases at select airport vendors from now until 12/31/10.Brookstone at JFK, LGA, EWR, IAHDunkin Donuts at JFK, EWR, LGAGogo Inflight Wireless anywhere it is sold (Air Canada, Alaksa, Airtran, Frontier, United, US Airways and Virgin America).Hudson News at JFK, LGA, EWR, CLESo if you buy $5 at Dunkin Donuts LGA, you’ll end up with a $5 credit- so you might as well max out the bonus since this promo ends 12/31/10. Instead of being a gluttonous fool, consider comping the person behind you their drink or buy a group of servicemen and women a round of Dunkin. After all, tis the season to be giving.Remember, this only works for charge cards (Green, Gold, Platinum and Centurion, for example) and not co-branded credit cards nor corporate or prepaid cards.No registration necessary.Tip of the hat to TPG reader Chris for this one![card card-name=‘Premier Rewards Gold Card from American Express’ card-id=‘22035076’ type=‘javascript’ bullet-id=‘1’]Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.