the 1990s, more than 30 churches burned within an 18-month period, leading to increasing federal pentiesor anyone convicted of damaging religious property. and just hours after the nation's first black president was elected in 2008, three white men burned a black church in springfield, massachusetts. >> the concern and heightened awareness is there. >> reporter: so far authorities don't see any signs of organized links, but this elder who oversees more than 30 ame churches in south carolina says he is urging his congressations to be proactive. >> certainly we still believe the church is still a safe place to worship and educate in our people and work in our ministries. >>> another republican governor is preparing to join the presidential race. wisconsin governor scott walker says he will announce his candidacy july 14th. walker leads opinion polls in iowa, the site of the first mom nating contest in february. >>> up next a summer camp for young people having a hard time fitting in. a place for transgender teens. that story when we come back. >>> louisiana governor and republican presiden