Many know rhubarb thanks to a shockingly tart introduction in childhood, likely countered by dipping the stalk in sugar, or as simply "the pie plant," a worthy component of custard or mixed-fruit pastries. Why not expand the concept beyond those idyllic, long ago summer days? A s ingredients and techniques have evolved to suit modern tastes, so too have opportunities to showcase this oft-overlooked vegetable. In Rhubarb Renaissance, seasoned writer...