Sarah Palin and the Separation of Church and State

The New York Times reports on Sarah Palin's religious background. She has a literal approach to the Bible, which is her right as an individual, but I'd like to get some feedback about whether this could be problematic for an elected official. Could she make decisions biased in favor of a particular religious viewpoint, or could the country benefit from having someone in the vice presidency who reflects a biblically based value system?

From the NYT story:

Ms. Palin’s religious life — what she believes and how her beliefs intersect or not with her life in public office in Alaska — has become a topic of intense interest and scrutiny across the political spectrum as she has risen from relative obscurity to become Senator John McCain’s running mate.

Interviews with the two pastors she has been most closely associated with here in her hometown — she now attends the Wasilla Bible Church, though she keeps in touch with Mr. Riley and recently spoke at an event at his former church — and with friends and acquaintances who have worshipped with her point to a firm conclusion: her foundation and source of guidance is the Bible, and with it has come a conviction to be God’s servant.
...

“The churches that Sarah has attended all believe in a literal translation of the Bible,” Ms. Kincaid said. “Her principal ethical and moral beliefs stem from this.”

Prayer, and belief in its power, is another constant theme, Ms. Kincaid said, in what she has witnessed in Ms. Palin. “Her beliefs are firm in the power of prayer — let’s put it that way,” she said.

Maria Comella, a spokeswoman for the McCain-Palin campaign, said Ms. Palin had been baptized Roman Catholic as an infant, but declined to comment further.

“We’re not going to get into discussing her religion,” she said.