Being American and especially being from Milwaukee, it saddens me that any Miller product is even called beer and that people drink that piss.
And before you foreigners spout off about Amerian beer sucking, I will absolutely agree if you are talking about the mass produced swill, however, avoid using the word "all" because there are thousands of micro-breweries that produce great beer.
When in Milwaukee and you want a "real" beer:
http://www.sprecherbrewery.com I highly recommend the (seasonal) Winter Brew and the (always available) Black Bavarian.