The high-profile arrest of Macau's junket mogul has sent chills down the spine of the enclave's gaming sector. An outstanding question is whether the clampdown officially initiated by the local authority of a mainland city will be short-term – like what happened before in "Asia's Las Vegas" – or it is going to be lasting, with the impact not yet fully appreciated. Macau's casino licenses are all up for renewal next year and, prior to that, the government there had been speaking about a plan to introduce tighter regulation and supervision together with a 45-day policy consultation on the sector….