Maria Luisa, the UNLV student who asked Hillary Clinton whether she preferred "diamonds or pearls" at last night's debate wrote on her MySpace page this morning that CNN forced her to ask the frilly question instead of a pre-approved query about the Yucca Mountain nuclear waste repository. "Every single question asked during the debate by the audience had to be approved by CNN," Luisa writes. "I was asked to submit questions including "lighthearted/fun" questions. I submitted more than five questions on issues important to me. I did a policy memo on Yucca Mountain a year ago and was the finalist...