sentences:  He also worked extensively on regulatory and environmental issues, particularly with the White House on the Bush Administration's Clean Air Act proposal.From 1994-2002, Judge Block served as Senior Counsel to the Senate Judiciary Committee, where he worked on a number of significant issues including property rights legislation, punitive damages and class action court reform bills, the cost-benefit analysis regulatory reform act, tobacco policy, litigation and arbitration policy, and First Amendment, privacy and attendant constitutional issues arising out of high technology legislation and governmental programs.Block was nominated by George W. Bush on September 4, 2001, to a seat vacated by Eric G. Bruggink on the United States Court of Federal Claims.