IMAGE: The Fiesta Mexicana at the Pacific...

IMAGE: The Fiesta Mexicana at the Pacific Amphitheatre tonight is more than just a concert. The plaza area will overflow with folk art, Latino booths and roving mariachis. Media are invited to shoot all the pictures they want, with one exception: No shots of the main star, Linda Ronstadt. Her people explain she does not want to be typecast in Latino shows, since she does other kinds of concerts, too. But rumors abound: She prefers a thinner image of herself.