US Mixed Signals on North Korea?

On North Korea, President Trump says "talking is not the answer", but the US Defence Secretary Jim Mattis says "we're never out of diplomatic solutions". So what is the American policy? Ambassador Robert Wood is US Permanent Representative on Disarmament

Also in the programme: the late fantasy writer Terry Pratchett has had his dying wish for his unfinished works fulfilled, using a steamroller; and how do you solve the problem of whether a street in Salzburg should be named after Maria von Trapp, given her controversial views on corporal punishment?

(Photo: North Korean rocket lifting off at an undisclosed location near Pyongyang. Credit: Getty)