LOUISVILLE, Ky. — Tom Riner looks for God everywhere, and in places he does not find him, he tries to put him there.
For more than 30 years, Mr. Riner’s singular devotion has been to inject God into the public arena. It has guided him as he preached the Bible in the countryside of Nicaragua and Jamaica. And it steers him as he proselytizes the formerly homeless and drug-addicted people who live with him at his ramshackle church in one of the poorest sections of this city.
But this unrelenting mission has also frequently taken Mr. Riner and the Kentucky legislature, where he has been a Democratic representative for 26 years, across the constitutional barrier between church and state....