There is no bigger name in the credit card business than Visa, and there are no bigger names in the payment gateway business than Cybersource and its subsidiary, Authorize.Net. Later this year, all of those companies will likely be combined, as Visa and Cybersource announced recently that Visa intends to purchase that company. To explain the transaction and its impact on ecommerce merchants, Michael Walsh, president and CEO of Cybersource, and John Bodine, its vice president of small business sales, visits with Practical Ecommerce’s Kerry Murdock.