score:2
I can say with a good degree of confidence that our Lord did not have difficulty speaking. His being the Word of God (John 1:1 ff.) more than mitigates against him having difficulty speaking!
On the other hand, Jesus faced the challenge of speaking to audiences who had difficulty listening. Oh, there was nothing wrong with the acuity of their hearing; rather, there was something wrong with their hearts which prevented them from listening in a way which led to understanding and obedience.
When asked of his disciples why he chose to teach in parables, Jesus said to them,
βTo you it has been granted to know the mysteries of the kingdom of heaven, but to them it has not been granted. For whoever has, to him more shall be given, and he will have an abundance; but whoever does not have, even what he has shall be taken away from him. Therefore I speak to them in parables; because while seeing they do not see, and while hearing they do not hear, nor do they understand. In their case the prophecy of Isaiah is being fulfilled, which says,
βYou will keep on hearing, but will not understand; You will keep on seeing, but will not perceive; For the heart of this people has become dull, With their ears they scarcely hear, And they have closed their eyes, Otherwise they would see with their eyes, Hear with their ears, And understand with their heart and return, And I would heal them.β
But blessed are your eyes, because they see; and your ears, because they hear. For truly I say to you that many prophets and righteous men desired to see what you see, and did not see it, and to hear what you hear, and did not hear it. Matthew 13:11-16 NASB, my emphasis).