I disagree with you, I think that Mitt’s political life proves that he never strays from his liberal goals, except to gain a quick victory necessary for him to continue his primary long term agenda. His 6 year presidential campaign proves that.
Already in recent weeks since winning the primary, he is taking up his old positions such as abortion on demand and homosexual scout leaders, and he has not even been elected yet.
Once elected he will fulfill his lifelong mission against conservatism.