Move over, bitter IPAs and chocolaty stouts. There's a new kid on the craft brewing block, and it's going to knock your salivary glands into action.
It's called "sour beer." When you take a sip, it's like biting into a Granny Smith apple that's soaked in a French red wine: crisp, refreshing and a bit odd.
Sour beers are probably the oldest style of brew in the world, but they're just starting to get popular in the States.
