By John Kruzel and Andrew Chung WASHINGTON (Reuters) – A group opposed to affirmative action on Friday asked the Supreme Court to block the U.S. Military Academy at West Point from considering race as a factor in admissions decisions while a dispute over the practice proceeds in a lower court. The request came from Students for Fair Admissions, the group behind a successful Supreme Court challenge to race-conscious collegiate admissions policies in cases involving Harvard University and the University of North Carolina. West Point is a prestigious military service academy in New York state tha…