127 S. Ct. 1351 (2007)
Samuel CARSON, et al., petitioners,
No. 06-9046.
Samuel CARSON, et al., petitioners,
v.
UNITED STATES.
No. 06-9046.
Supreme Court of United States.
February 20, 2007.Petition for writ of certiorari to the United States Court of Appeals for the District of Columbia Circuit denied.
THE CHIEF JUSTICE took no part in the consideration or decision of this petition.