Retailers are betting they can handle the holiday shopping rush with fewer additional workers .  From Nov. 1 to Dec. 31, retail stores are expected to hire between 265,000 and 365,000 seasonal workers, down from the 442,000 seasonal hires companies brought on last year, according to the National Retail Federation (NRF), a trade organization.  That would mark the lowest level of seasonal retail hiring in 15 years, according to the NRF. At the same time, the organization expects holiday sales to