Writing in the November 5, 2012 issue of Commonweal, Gene McCarraher alludes to " … Fr. Robert A. Sirico, whose Acton Institute is the horrid love-child of Thomas Aquinas and Ayn Rand … "  
The article is titled  “Morbid Symptoms: The Catholic Right’s False Nostalgia.”  As Paul Ryan, Fr. Sirico and others try to wrap libertarian social and economic policies in the mantle of Catholic social teaching, this article deserves another look:
https://www.commonwealmagazine.org/morbid-symptoms