51.  Also Friday, the wife of the missing Chinese pilot was quoted by state media as expressing sympathy to the families of the U.S. crew for their long separation.

52.  Bush expressed regret Thursday for the Chinese pilot, echoing earlier comments by Powell.

53.  Bush expressed regret Thursday for the Chinese pilot, echoing earlier comments by Secretary of State Colin Powell.

54.  Bush has expressed regret over the loss of the Chinese pilot.

55.  Bush and his officials have stopped short of that, instead expressing regret over the loss of the Chinese pilot and plane.

56.  Bush and Powell expressed regret over the loss of the Chinese pilot, though both refused Chinese demands for an apology.

57.  Bush expressed his regrets about the missing Chinese pilot in a speech Thursday to newspaper editors, but his aides made clear no apology was forthcoming.

58.  Bush has refused, though he expressed regret for the first time Thursday over the death of the Chinese pilot.

59.  Chinese leaders, meanwhile, were insisting the United States was to blame for the collision, which left the Chinese pilot missing.

60.  Chinese officials vigorously dispute the U.S. argument that the Chinese pilot caused the collision.