Question: Which 55th president of Mexico was involved in the Desafuero of Manuel López Obrador?
Context: Rogelio Ramírez de la O is an economist based in Mexico City.  He is Director and sole partner of Ecanal S.A., a private company which provides macroeconomic analysis and forecasts on Mexico to business, including some of the largest multinational companies with interests in Mexico.  During 2006 he headed on an honorary basis the economic policy team of presidential candidate Andrés Manuel López Obrador, backed by a coalition of parties including the PRD (Party of the Democratic Revolution).  Ramírez de la O received a bachelor's degree from the National Autonomous University of Mexico and an Economics PhD from Cambridge University, United Kingdom.  He has published works in Mexico, the United States and Europe on NAFTA, Mexico’s macroeconomic problems and the Mexican auto industry, among others.  In the frame of the 2012 campaign for presidential elections, Andrés Manuel López Obrador included him as Finance Minister in his cabinet proposal, but the party did not win the elections. The "Desafuero" of Andrés Manuel López Obrador was the removal of López Obrador's state immunity from prosecution.  It took place during 2004 and 2005.  This process was originated by a land owner who sued the Federal District's government on the grounds of improper expropriation of a patch of land called "El Encino".  This case detonated in López Obrador's (AMLO) hands in 2005, when a vote by the Chamber of Deputies lifted his constitutional immunity against criminal charges.  If officially charged, he would have lost all his civil rights, including the right to run for the presidency in 2006, unless he was either quickly acquitted of all charges or managed to serve his sentence before the electoral registration deadline.  On April 27, 2005, President Vicente Fox announced changes in his cabinet, a re-evaluation of the legal case against AMLO and legal changes so civil rights are only suspended once a citizen is found guilty.  Fox and López Obrador met in the first week of May 2005, as part of the efforts to calm the political climate.  The new Attorney General found a way to avoid prosecuting López Obrador, but it depended on the approval on the private company that first sued him. ¿Quién es el señor López?  (Spanish for "Who is Mr. Lopez?")  is a 2006 film made by film director Luis Mandoki.  It is a political non-fiction film about the 2006 and 2012 Mexican presidential candidate Andrés Manuel López Obrador and the Mexican general election, 2006. Vicente Fox Quesada, RSerafO (] ; born July 2, 1942) is a Mexican businessman and politician and was the 55th President of Mexico from December 1, 2000 to November 30, 2006. Citizens' Movement (Spanish: "Movimiento Ciudadano" ) is a political party in Mexico.  Andrés Manuel López Obrador was the first leader.  It was initially known as Convergence for Democracy (Spanish: "Convergencia por la Democracia" ), but the name was shortened to simply Convergence (Spanish: "Convergencia" ) in August 2002.  In July 2011, it was reformed as the Citizens' Movement. Andrés Manuel López Obrador (] ; born November 13, 1953), also known as AMLO, is a Mexican politician who held the position of Head of Government of the Federal District from 2000 to 2005, before resigning in July 2005 to contend the 2006 presidential election, representing the Coalition for the Good of All, a coalition led by the Party of the Democratic Revolution (PRD) that includes the Convergence party and the Labor Party. José María Pérez Gay (February 15, 1944 – May 26, 2013) was a Mexican academic, writer, translator and diplomat.  Some of his best known writings include "El imperio perdido," "La profecia de la memoria: ensayos alemanes" and "El principe y sus guerrilleros."  He also founded Channel 22 (XEIMT-TV) and served as the television station's director.  He later became an adviser to former presidential candidate, Andrés Manuel López Obrador. The National Regeneration Movement (Spanish: "Movimiento Regeneración Nacional" , MORENA) is a left-wing political party in Mexico.  Formally registered as a political party in 2014, it is led by former two-time presidential candidate Andrés Manuel López Obrador. The Mexican general election of July 2, 2006, was one of the most hotly contested elections in Mexican history and as such, the results were controversial.  According to the Federal Electoral Institute (IFE), the initial "Quick Count" determined the race was too close to call, and when the "Official Count" was complete, Felipe Calderón of the right-of-center National Action Party (PAN) had won by a difference of 243,934 votes (or 0.58%).  The runner-up, Andrés Manuel López Obrador of the left-of-center Coalition for the Good of All (PRD, PT, Convergence), immediately challenged the results and led massive marches, protests, and acts of civil resistance in Mexico City.  On August 9, while protests continued to expand, a partial recount was undertaken by election officials after being ordered to do so by the country's Federal Electoral Tribunal (TEPJF, sometimes referred to by the acronym of its predecessor, the TRIFE).  The tribunal ordered the recount of the polling stations that were ruled to have evidence of irregularities, which were about nine percent of the total. The Coalition for the Good of All (Spanish: "Coalición por el Bien de Todos" ) was a left-wing coalition created by the Party of the Democratic Revolution (PRD), Convergence and the Labor Party (PT) to support Andrés Manuel López Obrador as a candidate for the presidency of Mexico in the general election of 2006.  The coalition also presented joint candidates for Congressional and local elections.
Answer: Vicente Fox