The LAT's crack American Idol Showtracker investigative team was backstage at last night's taping, which introduced Fox's latest breakout star to nearly 30 million television viewers: young Ashley Ferl, the girl so memorably paralyzed by the spasms of tears elicited by Idol's resident Destroyer of Popular Music Sanjaya Malakar's eardrum-perforating performance. Reports the Times on how the show's producers came to identify the undeniable talent in their midst: " First things first: Who was the crying girl? After the show, I chatted with Idol's newest superstar, the crying girl, Ashley Ferl, aged 13, from Riverside. For some long minutes...