Should Peter Robinson and Martin McGuinness accept Brazil invite? #BBCNolan

Not a "World Cup junket". That's the denial from a senior Stormont source after the BBC revealed the First and Deputy First Ministers have been invited to Brazil next month. It's understood they've been asked to visit Marfrig, the Brazilian parent company of Moy Park. Marfrig is one of the official sponsors of the World Cup which starts this week and runs until mid July. But a Stormont source denied that any trip by Peter Robinson and Martin McGuinness could be described as a "World Cup junket". We hear the views of businessman Bill Jeffrey and take your calls