1. Chart Beat

    June 01, 2006 12:00 AM EDT Taylor Hicks and Chris Daughtry make their chart debuts plus news from Livingston Taylor/Carly Simon, Gnarls Barkley, Dixie Chicks and more! TAYLOR AND CHRIS: When last we checked, 18 "American Idol" contestants had charted in Billboard. Two weeks ago, that total jumped to 19 when…