The little ones then spent the next hour or so running around in circles representing their orbits, calling out their names as they passed one another.

在接下来的一个多小时里，这些小小“星球”按照自己的轨迹奔跑运行，并在擦肩而过时叫出对方星球的名字。

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The Democratic National Committee is also taking on John McCain in a Web video calling into question his reputation as a campaign finance reformer and a maverick who stands outside the inner circles of political dealings in the nation's capital.

CNN: McCain, Obama ad wars heat up