Tomorrow, Clinton Administration cabinet officers are scheduled to meet to consider a draft of Presidential Review Document-19 (PRD-19), a decision memorandum intended to respond to congressional limitations on nuclear testing.

CENTERFORSECURITYPOLICY: Center for Security Policy | Testing, Testing: Is The Clinton Administration Determined To Gut The US Nuclear Deterrent?

PRD's dour but well-known Cuauhtemoc Cardenas, a twice-defeated runner, now mayor of Mexico city.

ECONOMIST: The institutional evolutionary party

PRD, in contrast, wants value-added tax removed from a range of basic goods and services, but increased on luxuries.

ECONOMIST: Mexico

He says that Mexico's deep inequalities mean that the PRD cannot just be a moderate European centre-left party, but nor can it be so radical as to become a movement outside the country's institutions.

ECONOMIST: The left��s moderate radical

Whereas the PRI is planning to field Beatriz Paredes, a well-known figure with close ties to her party's machine in the capital, the PRD has struggled to unite behind a strong candidate.

ECONOMIST: Mexican politics: Left in the lurch | The