albert woodfox and two others spent decades in isolation at state prisons in angola and elsewhere. he was twice convicted of murder in the death of a prison guard, but the verdicts were overturned. woodfox was awaiting a new trial when he agreed to plead no contest and go free, at the age of 69. the state of oregon is headed towards the highest minimum wage in the country. a bill to raise the wage over 6 years won financial approval on thursday. it is the first such measure to set pay by region. by 2022, portland employees will earn $14.75 an hour, while workers in rural areas will make a rate of $12.50. and wall street finished the week with mixed results. the dow jones industrial average lost 21 points to close at 16,392. the nasdaq rose nearly 17 points, and the s&p 500 was virtually unchanged. still to come on the newshour: why winning south carolina is so important to the g.o.p. candidates; mark shields and david brooks take on a packed week of news; a dangerous journey for children seeking refuge in greece with their families, and much more. >> woodruff: presidential candidat