Until a month or so ago, you could have asked almost any economist or political scientist whether sovereign borrowers worry about legal enforcement, and, by way of answer, you would gotten a technical version of "Huh?" Academics disagree about why sovereigns repay loans, but almost no one thinks they do so to avoid being sued. So although bond investors are technically entitled to sue sovereign borrowers, there is no evidence that these formal legal entitlements actually impact the likelihood of repayment. That's why NML v.