Doctrinal differences remain, of course, but the Catholic-evangelical alliance has reshaped American politics. In many cases, Catholics have provided the intellectual framework and vocabulary to discuss Christianity’s vital role in our democracy, while Protestants have contributed fervor and youth.

We do not agree on every issue. But on the essential ones — those both faiths consider “non-negotiables” — Catholics and evangelicals are allied.

We both champion the idea — the truth — that there are reliable standards of right and wrong to which all institutions, including government, must adhere. We stand together in proclaiming that all human life has equal dignity and worth. And we stand together in defending the traditional and time-honored conception of marriage as a union of one man and one woman…

Beyond politics, the West is suffering from what can be called a crisis of brokenness — broken institutions, broken families and broken souls. In a society in which there seem to be fewer citizens who understand where our liberty comes from (God), strong churches — evangelical and Catholic — are essential.