成人快手

Another big day of presidential voting in the United States - Hillary Clinton and Donald Trump score big wins in Florida - the latter forcing Marco Rubio out of the race.

A look at the mathematics of delegate counting - and discussion on which of the remaining candidates has a credible foreign policy.

Also on the programme - General Wesley Clark on the geo-politics of war and possible peace in Syria.

And a royal initiative on behalf of the world's endangered wildlife.

Fergus Nicoll is joined by guests Professor Peter Morici of the University of Maryland in Washington DC and Madhavan Narayanan a columnist and tech writer on the Hindustan Times.

Image: A man enters a polling station to cast his ballot. Credit: MICHAEL B. THOMAS/AFP/Getty Images.