Posted: Saturday , Sep 06, 2008 at 0157 hrsArun Shourie Source: Indian ExpressSep 06, 2008 at 0157 hrs But why now? Why on the eve of the NSG meeting in Vienna?” — the cry went up. Entirely predictably: when they can’t deal with the facts of a disclosure, the embarrassed always demand, “But why now?” Should we not, on the contrary, be grateful that, at least at this penultimate hour, someone has