Along with festive store decorations and blow-out sales, nothing signals the beginning of the holidays more than help wanted ads for seasonal workers. A recent report from outplacement firm Challenger, Gray & Christmas, forecasts retailers could hire over 800,000 people willing to lend a hand during the last three months of 2014, numbers not seen since 1999. Even more optimistically, a Harris poll found that 42 percent of these companies expect to transition some seasonal staff members....