Bringing back a former CEO- pluses and minuses

N R Narayana Murthy's return to the helm of affairs at Infosys is still being debated. FT's management editor and business editor weigh the pluses and minuses of bringing back a former boss in the context of another much heralded return- that of A G Lafley of P&G. (Incidentally, Lafley claimed that one of his biggest contributions in his term had been the succession planning he had put in place, starting almost from day one. Evidently, events proved his choice- and that of the board- wrong).