Pope Francis reaffirmed the Catholic Church's opposition to gay marriage on Wednesday, but suggested in a newspaper interview that it could support some types of civil unions. The Pope reiterated the church's longstanding teaching that "marriage is between a man and a woman." However, he said, "We have to look at different cases and evaluate them in their variety." States, for instance, justify civil unions as a way to provide economic security to cohabitating couples, the Pope said in a wide-ranging interview published Wednesday in Corriere della Sera, an Italian daily. State-sanctioned unions are thus driven by the need to...