Today, CNN posted a series of comparative photos from the time of the US president to the next office, the years are surging, the left and right ends, reflecting the time of the earth that the same person is facing, of course, the current President of the United States Obama is also among them.

Looking at the same face on the left and right, imagining how much pressure and tempering had been on the first colored American president in history, I suddenly felt a trace of sadness and a sense of relief.

In the end, he won these eight years, and he succeeded.

"Xuankun Strange History" is floating on the 173rd day is in the hand, please wait a while,

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