Ban is `` deeply disappointed '' by Iran 's statements , his spokesman says . Comment: The goal of talks is to set up a transitional government to end the violence .
Ban is `` deeply disappointed '' by Iran 's statements , his spokesman says . Iran says it wo n't attend Geneva talks if it has to accept `` preconditions '' Syrian opposition and the United States had called for Iran 's invitation to be rescinded . The goal of talks is to set up a transitional government to end the violence .