Japan is expected to release treated radioactive water from the wrecked Fukushima nuclear plant as soon as Thursday. The government and the utility operating the facility say it is safe and the release is being closely monitored, but nearby countries oppose the move. It's also a concern for Japanese fishermen. Miles O'Brien has his latest report in a series of stories with access to Fukushima. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders