pharmacuticals: anti-addiction pill?

Here is an interesting article I came accross on CNN today.

Seems that they've come up with an anti-addiction pill that blocks your brain's ability to derive pleasure from drinking alcohol. This reminds me of a quit-smoking aid a friend of mind tried last year called 'Champix' (Varenicline). I believe it supposedly has a similar effect.

I agree with Dr. Kevin Clark in that having a support network for recovery is part of the solution and that even moderate drinking if you are an alcoholic is likely too much, but at the same time, if there are safe drugs available to help drink less while you do, surely that must be a good thing?