Procter & Gamble must become more nimble in its decision-making, said new CEO David Taylor during the CAGNY analyst conference today.  P&G has posted sales declines for six consecutive quarters, as it sells off less profitable business to concentrate on top-selling brands such as Olay and Tide. To become lighter on its feet, P&G is  “doubling down” on cost cutting by eliminating $10 billion in costs over the next five years. Just four years ago, P&G said it would slash c...