[Bloomberg] Greece Misses $1.7 Billion IMF Payment, Joining Zimbabwe's Ranks
[Bloomberg] Merkel Says New Talks Must Wait After Greece Blows Off IMF Payment
[NYT] Greece Misses Debt Payment, Deepening a Crisis
[Bloomberg] Puerto Rico Bonds Fall to Record Low as Debt Crisis Worsens
[Bloomberg] Puerto Rico Bankruptcy Adviser Says Out-of-Court Deal Infeasible
[Reuters] U.S., Iran presidents issue warnings as nuclear talks extended
[BBC] Ukraine suspends Russian gas purchases