President Claudia Sheinbaum retains approval ratings above 70% in her first year.

Corruption scandals within Sheinbaum’s ruling Morena party fuel public discontent.

Alleged graft, nepotism and links to organized crime dominate headlines.

MEXICO CITY — Tens of thousands of Mexicans are set to gather downtown Sunday in a choreographed tribute to President Claudia Sheinbaum, who closed out her initial year in office with approval ratings north of 70%.

Apart from her personal popularity as Mexico’s first woman president, polls show strong support among poor and working-class Mexicans for her continuation of social-aid programs launched by her predecessor and mentor, ex-President Andrés Manuel López Obrador.

Sheinbaum, who took office last Oct. 1, has embraced and expanded López Obrador’

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