Acumen PEAK, Atlas Peak, Attelas Vineyard, Cabernet Sauvignon 2015Acumen is a new, artisanal project from three Napa Valley wine stars. Denis Malbec is Acumens winemaker. Malbec grew up at Chteau Latour and worked there as cellar master and enologist in the 1990s before moving to Napa Valley, where he has made wine for estates including Kapscandy and Blankiet. Viticulturists for Acumen are Steve Matthiasson and Garrett Buckland. Matthiasson, who makes wine with his wife under his own Matthiasson label, was the San