Google recenlty added to it’s alchohol policy by adding hard liquor as allowed adwords keywords and ad copy.

The Googleblog illustrates the difference between the beer and hard alcohol/liqueur policy thus:

Under the hard alcohol and liqueurs policy, you might market to individuals searching for helpful and relevant alcohol-related information by promoting holiday cocktail ideas or the caloric content of popular spiked beverages. Under the beer policy, you might state a specific sales promotion for a great winter ale.

These regulations currently only apply to the US. The updated alcohol policy will go live, based on local regulations, in other countries as the weeks progress.