On May 14, Michelin, the French tire company whose stars, Bib Gourmands, and recommendations are regarded as the highest international culinary honors, announced its guides for Baja California, Baja California Sur, Mexico City, Nuevo León, Oaxaca, and Quintana Roo. It was the first time the Michelin Guide—the 124-year-old establishment that started out evaluating restaurants in Europe—had visited Mexico, and I was eager to see how the distinctions affected the anointed restaurants and taquerias there.My interest was especially piqued after Michelin’s July 16 announcement that a team was already on the ground in Texas, visiting restaurants in Austin, Dallas, Fort Worth, Houston, and San Antonio. (My colleague Patricia Sharpe collected predictions.)As I traveled Mexico City in July with my sixteen-year-old son, trying these lauded spots, I…