By Bulatlat.com August 18, 2008 – 12:39 p.m. An ecumenical group of peace advocates slammed the ‘political machinations of the Arroyo regime’ in the peace negotiations between the Government of the Republic of the Philippines (GRP) and the Moro Islamic Liberation Front (MILF). In its statement, the Initiatives for Peace in Mindanao (InPeace) said Arroyo…