(CNN) - After Jeb Bush announced his support for Mitt Romney Wednesday morning, speculation swirled over whether the former Florida governor could be tapped as a running mate should Romney become the Republican presidential nominee.
But later in the day, Bush said he’d rather see the job go to someone else: Republican Sen. Marco Rubio.
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"He is the best orator of American politics today, a good family man,” Bush told the Pittsburgh Tribune-Review. “He is not only a consistent conservative, but he has managed to find a way to communicate a conservative message full of hope and optimism.”
Rubio, a rising GOP star who was elected with wide tea party support in 2010, has repeatedly shot down the notion of appearing on the GOP ticket.
In recent days, however, the senator has made moves that suggest to some political observers he may be interested in the gig.
Rubio changed the release date of his upcoming book, for example, from the fall to the summer, not long before the Republican National Convention in August. And this week CNN Political Reporter Peter Hamby reported Rubio has agreed to headline a major GOP event in South Carolina this spring.
Bush on Wednesday said the Republican nominee will have a long list of potential running mates, but argued the GOP would make a wise pick in the junior senator from Florida.
"There is a strong field to pick from, but Marco Rubio to me would be the best choice," he said.