The song's been glitching and keeps being removed off of iTunes constantly. Because it couldn't be viewed on the charts or anywhere on the front page it started stalling. The only way you could buy it was by searching for the song. The Country awards thing were last night which pushed it down to 25 but it's moved up a little to #23
Unfortunately, it leaking early.. really messed up Selena's chances of really storming the ITunes charts. "Come and Get It" slays me though, I hope after the Movie Awards it climbs a little.