and interviewed a guy from UCC who is also head (?) of Americans United for the Separation of Church and State, and he said that the campaign workers were on city property, and not in any way under the control of the UCC convention, so they are not on the hook for that.
here is the NPR story
http://www.npr.org/templates/story/story.php?storyId=75035288here is the guy:
http://en.wikipedia.org/wiki/Barry_W._LynnReverend Barry W. Lynn (born 1948 in Bethlehem, Pennsylvania) has been the Executive Director of Americans United for Separation of Church and State since 1992.<1> He is an ordained minister in the United Church of Christ, and a prominent leader of the American religious left.
He is a strong advocate of separation of church and state and is considered a liberal Christian, both politically and theologically.