I think we should get over the 'ifs', 'buts' and who comes back in and going back to past players. We are in the here & now, and we have a pool of say 16 bodies to pick from, mostly inexperienced. It's not like going to India with KP, Freddy, Swann and Monty I'm afraid, so we have to cut our cloth to suit.
Lets move forward. Balance has been found wanting, but is hardly experienced in the pressure-cooker of test cricket so stick another youngster in to replace him. Duckett, Hameed and Ansari will not get any better unless they play.
What matters is how they are managed and coached as newcomers to the side. Explain to them the challenge ahead, what your realistic expectations are for them in the matches, pair them up with experienced players in training and travelling and let them get on with it.
This will be an awesome experience that they will sink or swim from and everyone should be realistic about their chances. Win or lose, we have a young squad to move forward with and should be excited.