But they focused most of their comments on the program that Bush has previously announced, arguing it would hurt seniors and place a burden on all taxpayers.

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After the CCTV broadcast aired, Chinese celebrities posted comments on social media sites in support of the program.

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Underlying the growing tensions over Iran's nuclear program, the comments came as the Pentagon on Thursday disclosed details of an encounter Tuesday between U.S. and Iranian fighter jets after an Iranian plane approached a U.S. surveillance drone.

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