Where have all the go-getters gone? 

At law firm Nixon Peabody LLP, associates have started saying no to working weekends, prompting partners to ask more people to help complete time-sensitive work. TGS Insurance in Texas has struggled to fill promotions, and bosses often have to coax staffers to apply. And Maine-based marketing company Pulp+Wire plans to shut down for two weeks next year now that staffers are taking more vacation than they used to.