HILLARY DROPS CELINE SONG

ABC News' Eloise Harper Reports: Less than 30 days before the critical Iowa caucuses, there's a shake-up in the Clinton presidential campaign.  Hillary Clinton and Celine Dion appear to be parting ways.

For months, the soprano headlined Clinton's, D-N.Y., campaign appearances as Dion's "You and I" served as the former first lady's campaign theme song.