Consumer Electronics Show; Censorship in Iran; Stream UK; Solar scooters in Rio.
BBC World Service
Nigeria's ailing President speaks to the BBC but will it calm fears of a political crisis?
Anne McElvoy talks to journalist Barbara Ehrenreich about her new book Smile and Die.
BBC Radio 3
Geoff Draper on plans for his role as principal at the Royal National College at Hereford.
BBC Radio 4
Meatloaf on being a reality TV judge, and Up in the Air reviewed.
After 50 days of silence, absent Nigerian president speaks to BBC from Saudi hospital bed.
Consumer news and issues with Julian Worricker.
Northern Ireland's power sharing worries as First Minister temporarily steps down.
Matthew Sweet talks to playwright and poet Frank McGuinness about his new play.
Arts news and reviews with Mark Lawson. Including an interview with Antonia Fraser.