According to Indianz, the Mohegan Tribe settled this matter (VanStaen-Holland v. Lavigne), which was to be argued before the Connecticut Supreme Court today.
Some of the briefs are available, and worth reading:
Vanstaen-Holland v. Lavigne
Connecticut Court Dismisses Dram Shop Action against Mohegans
Maybe another one to watch involving the state law question of whether tribal businesses are immune from Dram Shop actions. The case is Vanstaen-Holland v. Lavigne.
Turtle Talk 