Montenegro will become Nato's 29th member by this spring - but what does its admission mean for the military alliance, which has come under pressure from Donald Trump who labelled it 'obsolete'? Sohrab Ahmari, columnist with the Wall Street Journal, analyses the defence organisation, the addition of Montenegro and its future with Share Radio's Simon Rose.

Guests: Sohrab Ahmari

Published: Mon 16 January 2017