(HMG Celebrity News) - Leave it to the millions of pre-teen girls and their mothers who vote like crazy but with poor reasoning skills. Widely viewed as one of the best singers left in this year's competition, Pia Toscano rocked Tina Turner's "River Deep, Mountain High," last night. But fickle fans sent Pia home on Thursday night's American Idol. As host Ryan Seacrest announced her name, the stunned audience ...