11.   Now, the Bouteflika candidacy has soured the mood.

12.   Since the Clinton visit, allegations that Chinese spies stole U.S. nuclear secrets, tensions over human rights and the embassy bombing have soured the mood.

13.   The dispute also soured the mood before an international conference to review the Bosnian peace process this week in Bonn, Germany.

14.   The dispute soured the mood before an international conference to review the Bosnian peace process this week in Bonn, Germany.

15.   The mood was further soured by continuing rumours of rows over money as France tries to come to terms with the new era of rugby union professionalism.