If you listen carefully, I think you will find that the people the Archbishop was saying are “all in this together” are Catholic and non-Catholic Christians. He is not saying that believers, Pelosi, and Obama are “all in this together.” He knows that Pelosi and Obama are the enemies of the Church and of all Americans.
The Church is not “political” in the sense that it is not an instrument of any political party. The Church speaks with its own authority.
The Church condemns everything the Democratic Party promotes. But the Church is not campaigning on behalf of Republicans. It merely points out the obvious truth that anyone who votes for a Democrat, given the current nature of the Democratic Party, is going to Hell.