That's actually not true. PAN is center right, with a stong nationalist and pro businesses bent. PRI is center left to left, with definite socialist bent. PRD is far left with communist bent.
Really? Coulda fooled me with their last candidate:
SADDAM HUSSIEN LOOKALIKE VICENTE FOX:
-- Supports univeral government funded education
-- Supports univeral government funded health care
-- Supports the welfare state in general
-- Supports more illegal immigration
-- Supports abolishing the death penalty
-- Supports more criminal "rights" (he's even against life in prison for convicted killers!)
-- Supports more anti-gun laws
-- Supports envirowacko "cause"
-- Supports U.N.
-- Opposes traditional marriage laws
-- Opposed Iraq War