In this July 11, 2008 file photo, Vice President Dick Cheney looks on as President Bush makes a statement on energy at the Energy Department in Washington.  Will he or won't he? Cheney is one of the nation's most prominent Republicans, but there are doubts about whether he will attend the GOP convention.(AP Photo/Evan Vucci, File)AP - Vice President Dick Cheney, a conservative favorite but a divisive national figure, will join President Bush in addressing delegates on the opening night of the Republican National Convention, the White House said Friday.

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