Special Report: Boston hurricane barrier eyed; cost estimate $10B

With Tropical Storm Harvey inundating Houston, experts say Boston could face its own extreme flooding crisis in the next century — threatening massive damage and justifying a $10 billion hurricane barrier outside the harbor.  http://www.bostonherald.com/news/local_coverage/2017/08/special_report_boston_hurricane_barrier_eyed_cost_estimate_10b