Brussels, 21/01/2008 (Agence Europe) - The difference of opinion between Switzerland and the European Union over taxation in the cantons has not as yet affected the excellent bilateral relations between the two partners (see EUROPE 9544). However, there is a shadow hanging over EU/Switzerland relations which may, if this tax dispute is not resolved in the relatively near future, interfere with the implementation of agreements in place or to be negotiated in the future on other dossiers....