The court rejects defense witnesses who would testify about the war's legalityFORT LEWIS, Wash. — The judge in the case against the first American officer court-martialed for refusing to ship out for Iraq barred several experts in international and constitutional law from testifying yesterday about the legality of the war.First Lieutenant Ehren Watada, 28, of Honolulu is charged with missing movement for refusing to ship out with his unit, the 3rd Brigade, 2nd Infantry Division. He is also faces charges of conduct unbecoming an officer for accusing the Army of war crimes and denouncing the administration for conducting an "illegal...