In this video you can clearly, and repeatedly, observe Palin reading her answers from prepared note cards, often failing to competently deliver the lines that have been prepared.
The first test of a Vice-President candidate is whether or not they're strong enough to lead on his/her own. If Palin can't stand on her own in a debate, how will she lead in a time crisis?
Update, 12:50pm. Just came across humorous image, consider it your Friday Funny.