AMLO Summons a National Democratic Convention The PRD member evokes Article 39 of the Constitution to affirm that the people are the only ones who can change the government; he recalls the "Ayala Plan," signed by Emiliano Zapata. Andres Manuel Lopez Obrador launched his call for a "National Democratic Convention For the Good of All," with its basis in Article 39 of the Constitution, to be held the 16th of September in the Zocalo capital square [in Mexico City]. The PRD member read said constitutional precept aloud and recalled that therein it is indicated that national sovereignty resides in...