OPINION By THÉRÈSE MARGOLIS Mexican President Andrés Manuel López Obrador’s (AMLO) lukewarm response to Russia’s flagrant invasion of Ukraine on Thursday, Feb. 24, really shouldn’t come as any great surprise. After all, Russia is a longtime backer of AMLO’s leftist National Regeneration Movement (Morena) government, having allegedly financed at least part of López Obrador’s 2018 presidential campaign, according to some