The leading US laundry detergent maker is floating the idea of a lower-priced version of the world's best-selling detergent. A few years ago, at the height of The Great Recession, Procter & Gamble began testing a cheaper Tide laundry detergent. As the economy improved, P&G scuttled that launch. Now, P&G is said to be talking to retailers about plans for a new bargain-priced version of its Tide laundry detergent that would be priced just above rival bargain brands such as Chur...