Nicolas Maduro, president of Venezuela, has pledged to hold a referendum on a new constitution he is proposing in response to two months of violent anti-government protests. To re-write of the constitution will be co-ordinated by a body called the Constituent Assembly, an election for which is being held on Sunday 30 July. To discuss the situation in Venezuela and the context leading up to the re-writing of the consitution, Katrina Kozarek an activist based in Venezuela.