(Winebusiness) - Continuing with the vision to remain solely focused on the Walla Walla Valley AVA, Doubleback, a Walla Walla winery founded by former NFL Quarterback and Walla Walla native, Drew Bledsoe, has acquired its fourth estate property, Lefore Vineyard. Lefore is located in Walla Walla’s new sub-appellation, The Rocks District of Milton-Freewater, known for the rounded stones that cover the surface of the soil and exist throughout its profile.