11.   Protest voices were muted, and the curators took notice where they did emerge.

12.   The departure from Republican ranks of Patrick J. Buchanan and his followers also muted the voices of conservatives who were more critical of Israel.

13.   The national epidemic of anti-Muslim sentiment mutes moderate voices within Muslim communities, driving them into the hands of extremists.

14.   The very cohesion that helped them mold a bipartisan foreign policy prompted them to mute their voices when the policy did not work.

15.   Until recently, a long-running scientific misconduct investigation had muted the voice of the controversial Gallo.

16.   With one stroke on Thursday, he did much to mute those voices.

17.   Even non-governmental groups had to get WTO accreditation to attend, raising concerns among anti-globalization groups that their voices would be muted in Qatar.