The jailing of New York Times reporter Judith Miller on July 6 for refusing to reveal anonymous sources to a Bush administration special prosecutor is the latest ricochet of the political conniving and bullying that thrust the country into a war and a costly occupation in Iraq. A federal appeals court has ruled that Miller and Time magazine reporter Matthew Cooper are obligated to testify to a grand jury about conversations they had with anonymous sources. Shielding the confidentiality of journalistic sources is a time-honored practice, held in the same regard — at least until now — as confidentiality between...