Input: Relationship: 'be newspaper of', Argument/Subject 1: 'losservatore romano', Argument/Subject 2: 'vatican'

Answer: The Vatican endorsed him as President through its official newspaper , L'Osservatore Romano , just after the Union named him as its candidate , as did Marco Follini , former secretary of the UDC , the right-leaning Christian party , member of the House of Freedoms .