(WineSpectator) - We went behind the scenes at the wine world's extremes with Wine Diamonds documentary's director. Plus, the tractor-surfing, guitar-shredding world of natural wine comes to theaters, and the latest hot NBA locker-room wine is California … Montepulciano?

There are plenty of reasons to move to Minnesota: 10,000 lakes, two cities, lutefisk, a mall with a roller coaster inside. Less common: To make wine. Yet here's Sonoma wine vet and Kasota, Minn., transplant Mike Drash in the trailer for the new documentary Wine Diamonds: Uncorking America's Heartland: "I got to put on Facebook to all my California friends, 'I walked uphill in 40-below-zero weather to work today,'" at Chankaska Creek vineyard. "They really thought I was crazy."