Amex Nixes X-Rated Exchanges. American Expres decided this month to terminate all of its adult website merchant accounts because of the unacceptable number of disputed charges arising from that sector. ‘…Many porn

surfers deny they’ve made the charges when confronted by a spouse — something

pornographers refer to as the “gak factor.” (Husbands run up a credit card bill at a smut

site, then go “gak” when their wives see the monthly statement).’ No matter; opportunity knocks — Visa will be there to pick up the slack.