i'm ray swarez. at the pelican bay prison in california, a scene of 200er strikes and now home to a class action lawsuit against solitary confinement. fully one fifth of the inmates have been in solitary for ten to 20 years. we are looking at the use of administrative segregation and isolation as punishment and protection. martin horn, if we have suspiciouses that any one inmate has mental health problems, are we able to supply as a society know bag you know about the prisons across the country. do we supply mental health treatment to the degree that it is needed in our prison pop haitian? i would say for the most part not. there are some exceptions where there are high quality care, and adequate care, and ample care, but for the most part, prisons in general throughout the country have really been overwhelmed. by the number of people in their custody, and they were never equipped to service that need, and they have never caught up and many of them don't even understand what they need to do. let me a

or you can reach me directly at ray swarez news. we will see you for the next inside story, in washington, i'm ray swarez. four years ago, a new country was born. after decades of civil war with the north of sudan, it was meant to be a dream come true. but today, south sudan has disintegrated into chaos. the new president and vice president have gone to war with each other. it's a war with an ethnic dimension, its caused 2 million people to leave their homes and tens of thousands have been killed as fighting continues across the country. we're heading to malakal, a town that's changed hands more than six times since fighting began in december 2013. despite millions in international aid - and government coffers once flush with oil money - almost no roads have been built in south sudan. most commercial airlines stopped flying when the war started - so we're traveling with soldiers on united nations flights. there's a lot of armed guards across this airport. it's a un base in malakal. there was an attack here a few months ago. several

on, i'm ray swarez. >> >>> the u.n. security council is to debate a resolution on yemen, russian calls for a ceasefire are rejected >>> hello, welcome to al jazeera, live from our headquarters in doha. i'm elizabeth puranam. also ahead - u.n.i.c.e.f. says 800,000 nigerian children are running for their lives from boko haram, a year after the chibok kidnapping >>> florida senator marco rubio steps up to be the first cuban american to win the white house. the fourth major candidate to declare >>> a handwritten manuscript by a british scientist who cracked the enigma code in world war ii fetches a million dollars. >>> the united nations is set to discuss the crisis in yemen. it demands the houthis stop fighting and withdraw from their positions. the resolution calls for an arms embargo and sanctions against the rebels but russian demands for a ceasefire have been rejected >>> a professor of political science at the university of richmond in the u.s. and a yemen specialist says the draft resolution is bias and doesn't go ga