This has nothing to do with surnames. In fact, well-known surnames are often good for you. For example, it is common in American history that political families take turns to govern. For example, the famous Adams family, Adams and his son served as the second and sixth presidents respectively, and the elder Bush and his son were also father and son presidents. Such surnames often bring more support to themselves. For example, when it comes to Roosevelt, Taft, Kennedy and other surnames, their popularity suddenly goes up, which is the same as being an official.

Because he represents the mentality that Americans generally need to change, today's America, domestic and foreign troubles, financial crisis and war quagmire, all need to be solved urgently, and the country needs to change. Therefore, it is not surprising that Obama, who represents change, naturally follows the trend, coupled with the support of young voters and the determination to overcome the crisis.

Others, whether McCain, Hillary or Giuliani, obviously do not have these conditions.