Update: Comments from Adam Chodorow, a professor at the Sandra Day O’Connor College of Law at Arizona State University in Phoenix, were added to the story.A provision in the federal tax code excluding clergy members’ housing allowances from their taxable income does not run afoul of the U.S. Constitution, a federal appeals court held.The 7th U.S. Circuit Court of Appeals on Friday rejected the argument that the exemption violates the First Amendment’s establishment clause.Instead, the court held, the …