Is Sarah Palin a Christian? (updated)

Sarah Palin was on Glenn Beck's show earlier today (1/13). Here's what she had to say on God and faith:

There is nothing more important in my life than my relationship with God and my faith and in this past year especially -- past year and a half -- I have been so driven to my knees to pray for His guidance, for His wisdom, for His grace and for His Strength.