Beer drinking across America is down way down. Last year, beer consumption fell to levels we haven’t seen in decades. Some say the Bud Light boycott had something to do with it. Others feel the rise in alcoholic seltzers played a significant role. In reality, it’s a combination of a lot of factors. While the big brewing companies are concerned, they’re not too worried. Thanks to rising prices, they’ve maintained their profit margins. Many wonder if the decline in sales is just a wobble or a sign of something bigger…