McCain/Bush in 2008?

TALLAHASSEE, Fla. Florida Governor Jeb Bush has said he won't run for president in 2008, but he's never ruled out being on the ticket as someone's running mate.

And he didn't today when asked about teaming up with Senator John McCain as Republicans hope to come up with a ticket to keep the White House -- now occupied by Bush's older brother, President George W. Bush. More
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Since Jeb Bush's term limit is coming up I'm curious as to what he's planning. I seriously doubt that McCain would ask him to be his running mate but apparently Jeb is open to the idea of Vice President.