The following video is part of our nationally syndicated Motley Fool Money radio show, in which host Chris Hill and advisors Ron Gross, James Early, and Seth Jayson discuss the week's business and investing news. This week's guest is best-selling author and economic historian Niall Ferguson. In this clip, he explains the big challenge facing companies such as Baidu and SINA.

Chris Hill owns no shares of any of the companies mentioned. The Motley Fool owns shares of International. Motley Fool newsletter services have recommended buying shares of, International, SINA, and Baidu. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.