Rebuilding the Saxon Palace — an act of patriotism or writing past anew?

The current government wants to rebuild 1 of the largest pre-war palaces, which was destroyed during planet War II. The Saxon Palace, due to the fact that it is mentioned here, was a typical building in the Second Republic of Poland until it was blown up by German soldiers during the Warsaw Uprising. Where did the thought to rebuild it after 78 years? The thought and cost of rebuilding...