First, bootblack Cantinflas agrees to take a late friend's young son to school and winds up falling for the boy's teacher, in the Mexican farce "El Bolero de Raquel." Manola Saavedra, Flor Silvestre co-star. Next, the "Charlie Chaplin of Mexico" is an ambassador for a tiny Latin American nation who gets caught up in the country's political power struggle in the satiric "Su Excelencia." With Sonia Infante, Tito Junco. 3 3/4 hrs. total. Standard; Soundtrack: Spanish; Subtitles: none. In Spanish; no subtitles.