WILLIAMSBURG -- The quiet, serene atmosphere of students busily studying for examinations these days at the Marshall-Wythe School of Law at The College of William and Mary belies the tense situation which the school and college officials currently face. The underlying feeling is caused by the controversial, proposed appointment of black Richmond lawyer Jeroyd X. Greene as visiting associate professor at the nation\u27s oldest law school. Greene would be the law school\u27s first black professor. Added to the tense feeling have been indications from Richmond State Sen. Edward E. Willey that state financial aid might be in jeopardy if the school hires Greene. Greene has said he will sue the college if the board of visitors fails to approve hi...