An American peace activist denied entry into Canada earlier this month has again been detained by Canadian authorities on her first attempt to return. Ann Wright, a retired Army colonel and former diplomat, was scheduled to speak at an antiwar news conference Thursday with Canadian lawmakers in the capital of Ottawa. Wright and the CODEPINK co-founder Medea Benjamin were denied entry earlier this month after their names appeared on an FBI criminal database that the Canadian government is using at its borders. Wright and Benjamin have nine convictions between them — all involving civil disobedience while protesting the war in Iraq.