(RNS) — The founder of one of the most popular Christian music groups in recent decades has sued key players in the Christian concert business, along with a pair of journalists and one of the nation’s largest charities, claiming they worked together to ruin his company. In a complaint filed April 17 in the U.S. District Court for the Middle District of Tennessee, Wes Campbell, co-founder of Newsboys and owner of a Christian concert promotion company called Thriving Children Advocates, said that his company and the band’s ministry “have been destroyed by the actions of the Defendants, including their publication of defamatory articles fueled by competitors with anticompetitive motives.” “The lawsuit alleges an orchestrated campaign to drive Campbell and Newsboys out of the Christian concert market,” reads a website promoting the lawsuit .…