Can you help Amazon select its second headquarter?

Please read two WSJ articles: “Amazon Narrows Choices for HQ2 to 20” https://www.wsj.com/articles/amazon-narrows-choices-for-second-headquarters-to-20-1516284607and “Hi, It’s Amazon Calling. Here’s What We Don’t Like in Your City.” https://www.wsj.com/articles/hi-its-amazon-calling-heres-what-we-dont-like-in-your-city-1525253400and then associate with what you have learned from the textbook about workforce forecasting and planning to answer two questions below.
1. What factors that Amazon had used to narrow down the choices to 20 cities as the candidates from its second headquarter?2. Think if you are a recruiter from Amazon, what city would you suggest to select as its second headquarter?