Sojourning Under the Sun: Sabbath Submission (Genesis 49)

Jacob is on his deathbed and now has the opportunity to prophetically speak about the future of his 12 sons.  Will he abuse his prophetic gift and try to put his favored son ahead of the other sons?  Or has this man really learned from this wrestling match that the wisdom of God is manifested through weakness?  How does the Lord show the irony off the Messianic line by coming through a very unlikely son?  Why is this son such an unlikely candidate to bring forth the messiah?