As a child entrepreneur she sold street tamales; a senator now, she's shaking up Mexico's presidential race
MEXICO CITY—A street-food salesgirl who became a tech entrepreneur and senator is shaking up the contest to succeed Mexico’s popular president and offering many voters the first real alternative to her country’s dominant party. Xóchitl Gálvez, 60, helped her family as a girl by selling tamales on the street. Today…