Tens of thousands took to the streets in Mexico on Sunday to protest President Andres Manuel Lopez Obrador's plan to overhaul the country's electoral commission INE in what they fear would concentrate power in the hands of the government. Lopez Obrador, who put the plan forward in April, has long criticized the country's electoral authorities, including accusing them of helping to engineer his defeats when he ran for the presidency in 2006 and 2012. It sparked widespread concerns that the changes could presage a power grab because it gives the president more control over the electoral systems.