Billy Graham To Speak At ConvocationEvangelist Billy Graham will deliver the keynote address at a major convocation on Christian education in Dallas on January 23, officials of Dallas Baptist College, host for the convocation, announced Tuesday.The convocation will be held beginning at 7:30 p.m. in the Dallas Memorial Auditorium.Admittance to the program will be by ticket only. There will be no charge for the tickets which may be ordered through the Dallas and Tarrant association of Baptist churches from December 15 through January 11.Any of the 11,000 tickets which remain after January 11 will be made directly available to the general public by Dallas Bpatist College.Dr. Graham had been scheduled to speak at the opening of Dallas Baptist College some 18 months ago, but illness forced him to cancel the engagement. Several months ago a second invitation was extended to him to speak at the January 23 convocation and confirmation was received.