Western Union's "WU Pay" Launches With Few Partners

Western Union

is adding to its retail e-commerce business with a new payment option that will be integrated directly into a few big retail sites. With "WU Pay," announced Thursday, Western Union is directly challenging eBay's

PayPal unit. Although PayPal is trying out new products, like the "PayPal Here" mobile payment dongle introduced this month, retail e-commerce and online transfers are still PayPal's biggest business. At first...