Even the President at by during for from in of on out over with the United States at by during for from in of on out over with America has embarrassing moments at by during for from in of on out over with credit cards. Barack Obama had one last month. A restaurant cashier told him she couldn't accept his credit card. He was having dinner at by during for from in of on out over with an expensive restaurant at by during for from in of on out over with an upmarket area at by during for from in of on out over with New York. The President told reporters: "I went to a restaurant at by during for from in of on out over with the U.N. General Assembly, and my credit card was rejected….It turned at by during for from in of on out over with , I guess, I don't use it enough." He added that the cashier thought his card was being used at by during for from in of on out over with illegal purposes. He explained that he did not have enough cash to pay at by during for from in of on out over with the restaurant bill. Luckily, his wife paid the bill using her credit card and they could leave the restaurant. Mr Obama told his credit card story at by during for from in of on out over with Friday while he was signing a new law to protect consumers at by during for from in of on out over with identity theft. In particular, the new law tightens the controls at by during for from in of on out over with credit cards. Obama said: "Even I'm affected at by during for from in of on out over with this." Identity theft is a growing problem all at by during for from in of on out over with the world. Officials at by during for from in of on out over with the USA think that 100 million people have been affected at by during for from in of on out over with the past year because someone stole their private information online. The new law is called "BuySecure". It wants the credit card industry to change at by during for from in of on out over with cards with magnetic strips to those with microchips and PIN numbers. Magnetic strips are old technology. It is easy at by during for from in of on out over with hackers to read them and put the information at by during for from in of on out over with other cards.