Lack of foreign policy experience
From 2 swing states -- former New Hampshire governor; Missouri native
Female candidate generates excitement and attention for ticket, but Shaheen is not particularly exciting personally so doesn't overshadow dull Kerry
Female candidate could generate enthusiasm among many liberal voters, but given Shaheen's Betty Crocker image and moderate record, she should not be "threatening" or vulnerable to caricature in the way that some other female candidates might be
Former Governor (not another Senator)
Politically very savvy, good campaigner, tough when she needs to be
Strong union support
Kerry owes her big time for getting his candidacy back on the rails.