Today I am posting an interview of Francis Cardinal Arinze which aired a year or two ago on the Kresta in the Afternoon radio program. Cardinal Arinze is from Nigeria, and is the former head of the Congregation for Divine Worship and the Discipline of the Sacraments (a Vatican department which deals with issues regarding the celebration of Mass and of the sacraments). He has his own Facebook page, and he used to have his own podcast.
The interview touches on the recent Year for Priests, the use of modern communication methods for evangelization, and the new English translation of the Mass. Here is the interview, in two parts: