A senior Air Force general making the case for the embattled F/A-22 fighter aircraft program told lawmakers that the U.S. military's ability to dominate the skies may be threatened by a Russian aircraft that has not yet been built, and which aerospace analysts believe may never fly. Gen. John Jumper, the Air Force chief of staff, warned "the design for the Sukhoi 40 is on the boards right now," in a Feb. 10 hearing before the Senate Armed Services Committee...
