Leaders from South America's 12 nations have met in Brazil. Their host president, Lula da Silva, is calling for more unity and even a new single currency. So, what are his plans and could they become reality?

Join host Adrian Finighan.

Guests:

Temir Porras Ponceleon - Managing Director of Global Sovereign Advisory. 

Guillaume Long - Senior Analyst at the Center for Economic and Policy Research.

Danny Shaw - Professor of Latin American and Caribbean Studies at City University of New York.