Tom, The doctrine of taqiyyah (or dissimulation)is a Shi'a concept. It allows one to disguise their faith when faced with religious persecution, and in fact can only be practised as a protective measure against such persecution. Thus, it does not mean to lie about any subject as you have erroneously asserted. Get your facts straight in future.
Two security personnel killed by mine in southeast Turkey (Reuters)
from the article: Some assassination plot