RICHLAND -- Naveed Haq, now widely portrayed as a Muslim American so angry at Israel that he shot up a Jewish charity in Seattle, had recently converted to Christianity. His conversion is perhaps the most startling contradiction in a puzzling life. He had a degree in electrical engineering and was the son of a successful engineer. But he couldn't hold a job and recently worked as a security guard and retail clerk in the Seattle area. His father was a founding member of the Islamic center here. But the son was rarely seen at a local mosque for more than...