Nightly News | October 31, 2013
>>> website of the "new york times," details on the new book from the authors of game change called "double down." in it authors write that president obama 's inner circle secretly considered switching out vice president joe biden with hillary clinton on the ticket. they went so far as to get the opinion of focus groups but in the end realized there was not enough support to justify such a bold move. the authors say mitt romney scratched new jersey governor chris christie because of several unanswered questions including some about his medical history . the authors will debut the new book monday morning on "today."