Catholics are crucial in all battleground states. In Pennsylvania they make up a quarter of the electorate.

American Catholics had seen the problems the church got into in Europe when hierarchy aligned itself with specific rulers or political parties. American Catholics, including most bishops, did not want to go down that road.

Cardinal Dolan led off the opening evening of the RNC.

A look at the religious moments in Trump's presidency so far

A number of prominent figures in conservative media will speak at the Republican National Convention, including anti-abortion activist Abby Johnson and Covington Catholic student Nicholas Sandmann.

President Trump's former chief strategist Steve Bannon was arrested Thursday on allegations that he ripped off donors trying to fund the southern border wall.