Contest for second Amazon HQ heats up as finalists named Technology and retail giant Amazon has narrowed its search for a second headquarters to 20 cities, including Boston, New York, and several in the DC metro area. In a very public showcase of its search, Amazon has received offers of up to $7 billion (from Newark, New Jersey). While the influx of so many high-paying jobs could help boost the chosen city's economy, experts caution that such growth could increase rents and housing prices and "yield higher income inequality." IMAGES AND SOUNDBITES from an analyst