Stephen Moore says both Paul Ryan and his mentor had a singular grasp of the importance of faster economic growth on the deficit and fiscal problems. Though spending restraint is necessary the key to avoiding a fiscal crisis is economic growth generated by private investment. He says the increased focus by Ryan on spending restraint compared to Kemp reflects the difference between that era and this one, with the deficit much larger now. And not a reflection on Ryan's grasp of problems of the urban poor and struggling working class, something Kemp grasped. The problems are large on the spending side but says Moore this can only be solved by pushing hard for economic growth of 4% as targeted by Romney and Ryan. It is also important says Moore for the Romney-Ryan campaign to emphasize growth as the key message and not having this message lost in a back and forth with the Democrats about Obama's economic failures and voter fears about cuts that lead voters to tune out the conflicting messages....