It's not uncommon for employers to be have some type of bias in their hiring process. Whether it's looking for certain personality traits or hiring people who are similar to your current employees, every employer has their own opinion of who the best candidate will be for their company. Although it's important employers know what type of candidate they seek, they must make sure they remain objective in their hiring process..Coach Mike Singletary said Thursday that Troy Smith will start Sunday's pivotal NFC West game against the St. Louis Rams in place of Alex Smith, who started San Francisco's past two games.The coach also said he wouldn't hesitate to change quarterbacks during the game if the situation calls for it.The 49ers have changed quarterbacks after each of their past two defeats in an attempt to salvage a losing season. At 59, San Francisco still has an opportunity to capture the NFC West title and end a sevenyear playoff drought by winning its final two games against the