PBS airs an appealing 'Rigoletto' on location
Like some nocturnal flower, opera tends to wilt when exposed to direct sunlight. Lucky for Rigoletto that it's mostly an indoor/nighttime opera in this latest site-specific TV film, produced by Andrea Andermann, who has also shot Tosca and La Traviata on location in their original places and time frames. "Rigoletto From Mantua,&q