6 things to keep an eye on in Iowa -- the Republicans

6. The Bhutto factor

Last week's assassination of former Pakistan leader Benazir Bhutto brought foreign policy back to the surface of a presidential campaign that had centered around domestic issues in recent months. Will the candidates seen as strong on foreign policy and tough on terrorism -- Rudy Giuliani and John McCain -- receive a bump from caucus-goers as a result?
(AP Photo)
6. The Bhutto factor Last week's assassination of former Pakistan leader Benazir Bhutto brought foreign policy back to the surface of a presidential campaign that had centered around domestic issues in recent months. Will the candidates seen as strong on foreign policy and tough on terrorism -- Rudy Giuliani and John McCain -- receive a bump from caucus-goers as a result? PHOTOS 6 things to keep an eye on -- the Democrats DISCUSS What do you see as the key factors?
Text by James Pindell and Jason Tuohey