This Saturday, Lieb Cellars will re-open its Mattituck tasting room — the one attached to Premium Wine Group — as “The Tasting Group,” a co-op tasting room where visitors can taste the winery’s Bridge Lane line as well as other wines produced at Premium Wine Group, including Bouke Wines, Brooklyn Oenology, Influence Wines, Leo Family Cellars, Surhru Wines and T’Jara Vineyards. From the press release: [box_light] The six non-Lieb producers will showcase up to three wines each; selections will be rotated on a seasonal basis, and producers may be rotated in/out throughout the year to give new Premium Wine Group members a…