A billboard designed to criticize the Bible instead offended many African-Americans in the Harrisburg area. The sign was vandalized overnight, and the president of one of the groups that funded it issued an apology.
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See also...
Controversial billboard partially torn down overnight
http://www.whptv.com/news/local/story/Controversial-billboard-partially-torn-down/yp3M1rIV60WioPxzgtJySQ.cspx
Atheist groups' Pa. billboard defaced, replaced
http://www.wtrf.com/story/17102539/atheist-groups-pa-billboard-defaced-replaced
Slavery billboard draws criticism
http://www.ydr.com/state/ci_20117738/atheist-protests-year-bible-billboard
Atheists Smear Christians with Slavery Billboard
http://nation.foxnews.com/war-religion/2012/03/07/atheists-smear-christians-slavery-billboard