LAS VEGAS — Singer Linda Ronstadt (search) not only got booed, she got the boot after lauding filmmaker Michael Moore and his new movie "Fahrenheit 9/11" (search) during a performance at the Aladdin hotel-casino. Before singing "Desperado" for an encore Saturday night, the 58-year-old rocker called Moore a "great American patriot" and "someone who is spreading the truth." She also encouraged everybody to see the documentary about President Bush (search). Ronstadt's comments drew loud boos and some of the 4,500 people in attendance stormed out of the theater. People also tore down concert posters and tossed cocktails into the air....