Cheney is seen watching on a small television as smoke billows from the World Trade Center.
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The convicted Israeli spy has been jailed for more than two decades.
Just 68 percent of Republicans view the GOP favorably, down from 86 percent in January.
Perry still faces one charge of abuse of power.
"It was an awful, awful night," Louisiana's governor says.
Kerry said he told officials those chants "are not helpful."
The senator says polling, at this point, is mostly measuring media exposure.
"He seems to be estranged from his family," police say.
"Everybody deserves fair treatment," the president says.
The GOP hopeful faults Republican handling of the economy.