We've seen some solid Whitney Houston tributes since her untimely passing in February, and "American Idol's" Jessica Sanchez turned in another on Wednesday. The ladies on the Fox singing competition were tasked with singing Houston's songs while the boys took on tracks from Stevie Wonder. Sanchez took the stage to sing one of Houston's toughest, … Continue reading 'Idol's' Jessica Sanchez covers Houston: Best of the night?