13/02/2013 (1400 GMT)

Listen in pop-out player

Obama's Union speech; Pope Benedict farewell; and the bizarre sex life of sea slugs

Available now

55 minutes

Last on

Wed 13 Feb 2013 14:05 GMT

Newshour Extra

A mother with her injured son, Credit: Hasham Ahmed/AFP/Getty Images

BBC correspondents look at a topic in the news indepth

Added. Check out your playlist Dismiss