Salim Mansur is a regular columnist with the Toronto Sun: http://www.torontosun.com/News/Columnists/Mansur_Salim
and also on Joel's proudtobecanadian.ca: http://www.proudtobecanadian.ca/index/writergroup/C13
His articles are refreshing.
There are other muslims speaking out as well. We need lots more of them.
http://www.freemuslims.org
http://www.islamfortoday.com/terrorism.htm
I believe that the more openly we can talk about the issue of extremism and terrorism in islam, the more these groups can feel empowered to make a difference within their religious community.