J.Lo Almost Saves Karen Rodriguez from 'American Idol' Elimination

J.Lo Almost Saves Karen Rodriguez from 'American Idol' Elimination  American Idol: Season 10 Finalist Party.The Grove, Los Angeles, CA.March 3, 2011. (Bauer Griffin)When Karen Rodriguez was voted out of American Idol last night she was given one last chance to convince the judges to save her from elimination. She chose to sing Mariah Carey's "Hero" and at least one judge, Jennifer Lopez, was so