This has been stated by even The First Hokage himself, unfortunately his selfish brother wanted them both to be the Hokages and keep the uchiha control.
Sasuke makes a better hokage then naruto I mean cmon this would be sick sasuke is calm and tactical.
Itachi would have made a beast Hokage
Madara would have been a great Hokage AT THAT TIME Hashirama was alive
I know these are not too indepth descriptions but discuss and I will reply