For more than two decades, Christopher Lovrien said he was dogged by memories of the bloody bedroom killing. “I haven’t had a relationship since this happened. All I could do is work,” the former steelworker said. “I wish I could undo it. But I’m glad to be able to say it and go to jail.” Lovrien, now 56, came clean Friday in a Multnomah County Circuit Court room. He was sentenced to 20 years in state prison for the 1999 killing of Mark Dribin. But Lovrien will remain in a city jail on a murder charge for allegedly killing another...