Job Interview Politics: Why Do Hiring Managers Treat Candidates so Badly?

Let's explore the power politicking that goes on during a job interviews. Because the number of job seekers greatly outweigh the number of open positions, hiring managers are getting away with treating candidates like cows on an assembly line-- poke, prod and get out. There are hundreds of articles advising job candidates how to behave on an interview but has anyone ever advised hiring managers how to behave? If you've ever been mistreated on an interview call me. Let's talk about this horrible phenomenon.