Mamata Benerjee: Spectrum vs, Rajarhat land acquistion

Mamata Benejee told that "They(CPM) are attacking the government over the CAG report (on the spectrum allocation) but over the last 34 years of the uninterrupted rule, the Left Front has disallowed the opposition to raise or discuss CAG strictures against the government in the assembly".  Is the issue whether left front has moral authority to talk? Politicians twist the issue into their favorite issue of Rajarhut land acquisition. The greater issue is how the public funds can be recovered and how the policy and organisations will be setup to avoid future scams like this.