Sara Lee has built the nation’s best-selling brand, but are struggling to make profit. They came up with one of the biggest innovations in the bread world in recent years: Soft & Smooth. A bread with 30 percent whole grains, it’s aimed at providing more nutrition than white bread but with white-bread texture. Soft & Smooth has become Sara Lee’s best-selling bread line, and has prompted competitors to offer their own whole-grain hybrids. read more in the Chicago Tribune.