Read the text below. Why has the US government changed credi...

                   NEW CREDIT CARD LIMITATIONS IN THE US
          Credit card companies in the US will soon be bound by new restrictions on their ability to charge fees, or raise interest rates on existing borrowings.
          The bill is designed to protect credit card users from unexpected fees or increases to their interest rates.
         The US government has been concerned to tighten its regulation of the banking system in the light of the credit crunch and banking crisis.
        "This cements a victory for every American consumer who has ever suffered at the hands of the credit card industry, " said Senator Christopher Dodd, chairman of the Senate banking committee.
         Americans currently owe nearly $1 trillion on their credit cards. The US government has been concerned to tighten its regulation of the banking system in the light of the credit crunch and banking crisis.
        (Adapted from http: / /news.bbc.co.uk/2/hi/business/ 8063108.stm)