''I've got your back." That's what U.S. District Judge Richard Roberts said to his decades-long friend, Attorney General Eric H. Holder Jr., in introducing the AG at an April 22 speech at Vassar College. At that time, Judge Roberts was ignoring several legal deadlines to the benefit of Mr. Holder's administration on numerous motions and countermotions in a key lawsuit for which Mr. Holder's underlings effectively were acting as defense attorneys. Pressed by a higher court to justify his delays, Judge Roberts two months later ruled completely in the administration's favor - tossing out the suit, without trial, of Gerald...