50 Cent remains planted at the top of this week's charts, with the Dixie Chicks and Norah Jones hot on his heels. See those vids and more now. music_chartwatch0221_dixiechicks_50cent_jones.jpg 1 Chart Watching: 2/21 ffc055 video.gif http://smilparse.real.com/showcase/cliplists/0203/charts0221.ram 10458620784080 LAUNCH THE COUNTDOWN! lock_icon.gif lock_icon.gif lock_icon.gif big_headline