NEW YORK (AP) _ Each of the dueling Davids raised his game on Tuesday's "American Idol," but only one received three glowing reviews from Simon Cowell, who called it a "knockout" performance.

That would be David Archuleta. The doe-eyed teen faced off against David Cook for the "Idol" title Tuesday night, and in Cowell's opinion, out-performed the 25-year-old rocker. Each David performed three songs in the final performance show, which rolled out announcer Michael...