John McCain chose Sarah Palin as his running mate in part to appease his party's strongly conservative base. With the Republican right wing weighing so much influence even in the waning days of the Bush presidency, where does that leave prominent moderate Republicans? Is there room for them in the GOP? David Brancaccio sits down with former New Jersey Governor and EPA Administrator Christine Todd Whitman to discuss the political tolerance of the modern Republican Party, and her perspective on the current race.