I saw this full-page ad...

...in the New York Times today. It's from the Freedom From Religion Foundation, or ffrf.org. There's also a letter on the Web site, "It's time to quit the Catholic Church," which you can read in its entirety here. Some key points (my emphasis): 

It's your moment of truth. Will it be reproductive freedom, or back to the Dark Ages? Do you choose women and their rights, or Bishops and their wrongs? Whose side are you on, anyway? 

It is time to make known your dissent from the Catholic Church, in light of the U.S. Catholic Conference of Bishops’ ruthless campaign endangering the right to contraception. If you're part of the Catholic Church, you're part of the problem. 

___ 

If you imagine you can change the church from within — get it to lighten up on birth control, gay rights, marriage equality, embryonic stem-cell research — you are deluding yourself.
___ 

As a member of the “flock” of an avowedly antidemocratic club, isn’t it time you vote with your feet? Please, exit en Mass.