reporter: and then bok mcdonnell, a very popular figure in the commonwealth that appears very much up for grabs. your name is on the short list. if you are asked, would you accept the job? what would you bring to the ticket? that s not for me to decide. it s only his list that matters. last but certainly not least, the brash and outspoken governor of governor, chris christie. in the end, nobody votes for a vice-president. they vote for a president. no matter who governor romney picks, if the people of the united states are not convinced that he is the right man to be president of the united states, right now, no matter who he picks for vice-president, they are not voting for him. by the same token, that went for president obama 4 years ago. do you think the people of the united states said, i m not sure of this obama guy, but, boy, i love biden. reporter: but anything can happen in politics, with john mccain, picking sarah palin. don t be surprised if we see a