Iran's explanation is that the nuclear smuggling network run by Pakistan's Abdul Qadeer Khan had sent it this document in 1987, along with other documentation on centrifuges Iran had received, but that Iran had not asked for it.

ECONOMIST: Nuclear proliferation

You'll then print a claim form and mail it in along with any required documentation.

WSJ: Search for Unclaimed Money

Jonathan Heath, a private economic consultant, notes that poor documentation of loans, along with laws that make it virtually impossible to seize property, may make the recovery rate even lower.

ECONOMIST: Mexico��s economy