An atheist group has dropped its attempt to strip American pastors of their tax exemption for housing. The Freedom from Religion Foundation will not appeal an appeals court decision that said the federal government is allowed to exempt priests, pastors, rabbis, and other religious instructors from paying taxes on the housing they receive, ending an eight-year legal battle. The suit threatened to cost clergymen $1 billion if successful, but Chicago's Seventh Circuit Court of Appeals rejected the foundation's argument that such a tax break violated the Constitution's establishment clause. The three judge panel, citing previous Supreme Court rulings, found that,...