Tuesday Evening Links

[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