Georgia state senator Leroy Johnson is shown sitting in the Senate chambers at the Georgia State Capitol. Caption on photo reads: (AX1) ATLANTA, May 21 - LONE NEGRO SENATOR WINS VOTER AMENDMENT APPROVAL - Leroy Johnson of Atlanta, only Negro member of the Georgia State Senate, won adoption of an amendment Wednesday that would permit registrars to approve as voters any who answer correctly four of six questions. The amendment, which must have House approval, was substituted for a section of a proposed revision of the state's election code. The previous section called for 20 correct answers from illiterates of 30 questions. Johnson's amendment would add thousands of Negroes to registration rolls in Georgia.The Atlanta University Center Robert...