. >> let's speak to the barrister and senior counselor greg barnes, spokesman for the australian lawyers alliance and experienced in visa cases for australia. thank you for joining us here on "bbc world news." first off, your assessment of the decision made by the immigration minister, please. >> this decision is made using what many immigration lawyers call god-like powers. in other words the minister has the capacity to visa -- the capacity to cancel the visaed on relatively vague grounds like health, risk to public health. in this partilar case and many of these cases this seems to be a political thing. you n get away with it because of the broad thoafns description that's being used by the government. >> we've just heard boris becker also talking about political overtones. how co-you read those? >> i think mr. becker is right in the sense that the broadness of the discretion used by the minister here and the political overlay of this particular case mean it's inevitable that the minister has taken into account political considerations no matter how they say it's matters of public pol