By RICARDO CASTILLO      The frictional mood at Mexico’s majority political party, the National Regeneration Movement (Morena), became evident on Monday, Aug. 19, as current Senate leader Martí Batres Guadarrama lost his bid for reelection to Mónica Fernández Balboa by 33 to 29 votes. Should all go well, Fernández Balboa will be confirmed next week and begin her position as Senate