Recent images of two Chinese stealth fighters, the J-20 that appeared almost two years ago and the J-21 that surfaced this past week, have stymied American observers. No one knows how advanced these aircraft may be. They look like carbon copies of America’s top stealth fighter, the F-22 (no, not the dog F-35 the U.S. . . . → Read More: The Disaffected Lib: How Much American Stealth Technology Does China Already Have?