Free speech advocates are calling for the release of an American journalist for an environmental news site after he was jailed on this week in Indonesia on allegations that he violated the conditions of his visa, according to his employer. Philip Jacobson, an editor for the non-profit U.S.-based conservation and environmental science platform Mongabay, was traveling on a business visa in the city of Palangkaraya, the capital of Central Kalimantan province, on the island of Borneo when he was detained on Dec.