Amnesty International wants the Canadian government to detain former President George W. Bush on possible war crimes charges when Bush visits British Columbia on Oct. 20. The London-based human rights group has forwarded a 1,000-page memorandum asking that Bush be held, investigated and prosecuted for his alleged involvement with &amp;#8220;enhanced interrogation techniques&amp;#8221; and &amp;#8220;water boarding.&amp;#8221; [...]