In a rare tête-a-tête, The SOMM Journal joined Didier Depond, President of the Champagne houses Salon and Delamotte, for an effervescent lunch featuring their current releases at San Francisco’s Piperade. We began with the superbly chalky 2008 Delamotte, which hails from just six Grand Cru villages. The 100 percent Blanc de Blanc brims with texture and ripe golden apple notes, and after observing the intensity of fruit on the mid-palate, I queried Depond on the risk climate change poses to the houses’ iconic style. He was quite circumspect in his response: “The culture of the vineyards in Champagne relies on balance, and we will balance them with this shift.” Despite more extreme weather events like the freak hailstorms earlier this year, warming temperatures in this marginal growing region may in fact work to the advantage of Champagne producers. Addressing the elephant in the room, we discussed the hotly debated expansion of the Champagne AOP area by an additional 5 percent. “Historically, these approved areas were under vine,” Depond said. “And, despite what you’ve read, there …