Covid-19 has not just devastated society and the economy, it has also shattered political conventions. It is two days since the government unveiled an unprecedented €17.75 billion budgetary package and the main criticism from the opposition benches is that it did not go far enough.  In the pre-Covid world, the very idea of a budget co-authored by Paschal Donohoe and Michael McGrath so dramatically increasing the size and scope of the State through a series of dramatic policy interventions would have been unfathomable, almost unimaginable.  Michael McGrath knows this himself. But sitting in his office less than 48 hours after…