在掌权之前，墨西哥新当选总统奥不拉多尔就利用“非正式”公投来决定取消墨西哥城新机场（已经建成了30 % ） 和支持他的十项主要社会和基础设施计划等问题。
Even before taking power, Mexico’s newly inaugurated president, Andrés Manuel López Obrador, was using “informal” referenda on issues such as the cancellation of Mexico City’s new airport (which is already 30% built) and support for his ten main social and infrastructure programs.