As mankind become more liberal they will be more apt to allow that all those who conduct themselves as worthy members of the community are equally entitled to the protection of civil government. I hope ever to see America among the foremost nations in examples of justice and liberality. And I presume that your fellow-citizens will not forget the patriotic part which you took in the accomplishment of their Revolution, and the establishment of their government; or the important assistance which they received from a nation in which the Roman Catholic faith is professed.
George Washington, March 15, 1790
Catholics in this country have long enjoyed complete religious liberty. The experience of that freedom in this country was one one of the factors that caused Popes to embrace the concept of religious liberty as enshrined in the documents of Vatican II. Maryland, the Catholic colony, was the first colony to proclaim religious freedom in the New World.
Now that precious liberty that so many Americans have fought and died for down through the centuries is under siege by local and state governments and the Obama administration. The Bishops of Maryland have spoken out against this evil trend. Go here to read their 16 page statement from 2011.