An attempt to bar leftist presidential hopeful Andres Manuel López Obrador from running in Mexico's 2006 elections has backfired and turned Mexico City's mayor into a hero for many, and the favourite to win, much to investors' dismay. The mayor has spoken of renegotiating Mexico's debt and has pledged to overhaul the pro-market economy to benefit the poor, promising "a new economic era".
Bankers and bondholders are already assuming the worst. The spectre of López Obrador as...
