In a move that would silent political cynics and critics, President John Dramani Mahama has pressed the final anti-corruption red button and made a giant and decisive step in the fight against systemic corruption, graft and abuse of power in his administration by ordering the retrieval of various sums of monies wrongly paid to some individuals, companies and organizations by the Savanna Accelerated Development Authority (SADA), exclusive information available to The aL-haJJ has indicated.