It's better to sell than to receive…for Procter & Gamble anyway. The company is said to be working with Goldman Sachs  to explore the sale of its Wella hair care business that could be worth around $7 billion, sources familiar with the matter told Reuters, as the world's largest consumer products company streamlines its business. P&G is exploring all options for the unit, which includes a professional and a trade business. That may result in selling the whole or pa...