Here is the training on conducting interviews. You should have the Selection Board Handbook and and Interview Template open while listening, and you should try logging in to Wizehive with your newly created accounts. Here's the breakdown of the training in case you want to listen in pieces:

0:00 - 5:43 - Intro and brief recap of last training5:44 - 17:58 - Posting your interview times on Wizehive, how to change them17:59 - 35:17 - How to prepare for an interview, contact an applicant on Skype, what to do with a missed interview35:18 - 1:43:00 - Going through the interview template, with Gbenga Ogunjimi (an Atlas Corps Fellow) giving examples of good answers and bad answers1:43:00 -2:03:00 - How to evaluate an interview and post your score, plus general interview tips