Whether Section 106(a) of the Bankruptcy Code abrogates the United States' sovereign immunity with respect to the underlying state-law cause of action that forms the basis for a trustee's avoidance action under Section 544(b), or only with respect to the trustee's Section 544(b) action itself.

Whether Section 106(a) of the Bankruptcy Code abrogates the federal government's sovereign immunity for both a trustee's federal claim under Section 544(b) and the underlying state-law fraudulent transfer cause of action