Construction on the Dos Bocas refinery began in August 2019, with an estimated cost between US$6 billion and $8 billion. Education With his saying, "" (Scholarship recipients, yes; hitmen, no), López Obrador promised guaranteed schooling and employment to all young Mexicans, through universal access to public colleges, and proposed monthly scholarships of 2,400 MXN to low-income university students. López Obrador is against the educational reform passed into law in 2013, stating he opposes the use of standardized test scores as a basis for firing teachers, saying, "It is an ideological problem of the right, of conservatism; deep down they do not want public education, they want education to be privatized, that is the mentality that prevails in these people. I ask them to be serene and if you really want to help improve education, do not polarize or disqualify [the teachers]." He also argued that: "children go to school without eating and that is not addressed in the so-called education reform." The educational reform laws passed during the Peña Nieto administration were overturned in September 2019. The new laws promise to assess teachers' opinions and preserve the public nature of the school system. Drug War As the Mexican Drug War that started under President Calderón (2006–12) dragged on into its 12th year, he reiterated his 2012 presidential run strategy of "Abrazos, no balazos" (Hugs, not bullets), arguing that jobs and better wages, especially for younger people and the rural populace, are necessary to combat crime, not the use of more military force. He has proposed amnesty for some drug war criminals, for which he would seek the aid of international NGOs, Pope Francis, and UN Secretary-General António Guterres. Héctor Vasconcelos, a former diplomat, said a López Obrador government would gradually pull back the Army and Navy from the streets where they have been engaged. López Obrador is willing to establish a truth commission to bring closure to tens of thousands of people exposed to murders and disappearances of their friends and families, such as the 2014 Ayotzinapa kidnapping. He declared that he would consider legalizing certain drugs as part of a broader strategy to fight poverty and crime. López Obrador declared an end to the Drug War, announcing that he wished to shift from capturing capos (drug lords) to reducing violence and paying more attention to health and socioeconomic concerns. Nonetheless, the murder rate increased during his first year in