Mr Jarquin is now Mr Ortega's running-mate, even though in the 1980s he was also jailed by the Sandinists.

ECONOMIST: Could the Sandinist leader return to the presidency?

The Sandinists named Daniel Ortega, Nicaragua 's president for much of the 1980s, as their candidate for a presidential election due in November.

ECONOMIST: The World this week | The

But the Sandinists' image is none too clean either.

ECONOMIST: Could the Sandinist leader return to the presidency?

Among the documents in the bunker some related to an old friend, Enrique Gorriaran, a notorious Argentine would-be revolutionary who, after repeated failures in his own country, joined the Sandinists in Nicaragua.

ECONOMIST: Nicaragua