The Cincinnati Enquirer reports. “It’s a problem that’s gotten worse in the past couple of decades,” he told the paper. “It’s a tough time to be in public service.” He will serve the remaining two years of his term, he said.Portman was first elected to the Senate in 2010.
In 2013, he became the first Republican in the chamber to support marriage equality, saying that having a gay son had changed his mind on the matter.