http://newoak.com/municipal-insights/puerto-rico-winter-coming/
http://caribbeanbusinesspr.com/news/puerto-rico-lobbying-us-treasury-to-purchase-gdb-notes-former-imf-head-krueger-plan-recommendations-key-to-initiatives-success-112192.html
http://www.reuters.com/article/2015/06/01/usa-puertorico-prepa-idUSL1N0YN0ZP20150601