Filed under: Cellphones, WirelessNew Sprint Nextel CEO Dan Hesse appears to have inherited a company bleeding subscribers by the thousands, and will now officially be dropping the ax on 4,000 employees and 125 retail locations. Amid the loss of 639,000 postpaid customers in the fourth quarter, Sprint will be cutting a total of 6.7% of its work force (following the 5,000 layoffs last year) and 8% of company-owned brick-and-mortar stores, while remaining mute on