shrewd

Tributes have been paid to Dias, described by the Carta de Moçambique news site as a "shrewd lawyer, intrepid, with the tough fibre of a fighter".

Bonar Law was both a true believer in the Ulster cause and a shrewd political operator, who correctly perceived that home rule could be used to bring down Asquith and the Liberals.

Salmond's interviews, his speeches and his contributions in the House of Commons and the Scottish Parliament were strewn with shrewd and highly quotable little nuggets - politics boiled down to their essence.

It is a case study in being sustainable, being present in your community and being shrewd with your recruitment.

But that will require a shrewd reading of popular sentiment, especially among youth and the middle-class in big cities such as Yaoundé and Douala.