As a young man in his early 60s, Othon Guasso left Mexico to start over in America. He established a reputation as an expert tailor on Michigan Avenue and lived for another 45 years, making it to 107 years old. Even as a centenarian, he enjoyed a taste of cognac and tequila now and then, according to his son Jorge.Born in the town of Zimapan in the state of Hidalgo, young Othon learned how to sew suits and fine fabrics from his father, a tailor who made uniforms for the soldiers during the Mexican Revolution.Before . . .