Backward, powerful, and extremely tannic, the dense purple-colored 2003 Mouton-Rothschild, a blend of 76% Cabernet Sauvignon, 14% Merlot, 8% Cabernet Franc, and 2% Petit Verdot, fashioned from yields of 28 hectoliters per hectare, with a finished alcohol of 12.9%, improves dramatically with aeration. With full-bodied, meaty, powerful, dry flavors as...