The Palins refrained from publicly criticizing him no matter what he or his shambling mess of a mother did or said.
Then he offered that public partial apology.
That cleared the way.
I understand that Bristol Palin probably is still infatuated with him, and that she wants her son to have both his parents raising him, but Levi Johnston's behavior suggests that his motivation is neither commitment to Miss Palin nor solicitude for his son but his knowledge that his in-laws will support their daughter's little family financially for some time.
Whenever he is eventually shown to be unfaithful or is asked point blank to get a real job and support his family, it will end in tears.
It would not surprise me if some third party was paying him to worm his way back into the Palin family in order to cause a tabloid-saturating divorce fight at the most electorally opportune time.
Don't know if thats true or not. Bristol works and has her own townhouse. I believe she supports herself and her baby. The Palins raised their kids right. Before anyone starts trashing the Palins because Bristol got pregnant, think if your own families are perfect. Mine have made mistakes but had the responsibility to do what they needed to do to make things right. Theres the key.