Talkback Thursday: Can we teach morality as a subject?

The Moral Education paper in the recent SPM has surprised many, over questions alleged to have been politically biased. As a result, many of those who sat for the paper have spoken out, saying that it sounds like an indoctrination so that they wouldn't participate in political activities. On Talkback today, we're asking: Can we teach morality as a subject? If so, how should it be taught?