A response to: Catholic Political Platform?
Such a platform already exists and can be found in detail in The Compendium of Catholic Social Doctrine. If you wish to see it made manifest as a political manifesto, refer to the work, life and writings of those Catholic politicians in post-WWII Europe who established the Christian Democratic Parties in West Germany and Italy — principally Konrad Adenauer and the and Alcide De Gasperi
Hugh McLoughlin