Charles Kushner, the Port Authority commissioner who is New Jersey Governor James McGreevey’s choice to be the agency’s next chairman, may soon find the dreaded appellation "embattled" attached to his name. Mr. Kushner is facing a whistle-blower lawsuit that could jeopardize his appointment to head the Port Authority—an appointment he doubtless helped to secure through generous contributions to New Jersey Democrats. He was the single largest donor to Mr. McGreevey’s campaign fund last year; to Hillary Clinton’s in 2000 and 2001; and to Senator Robert Torricelli’s in 1999 and 2001. Kushner companies collectively provided the largest bundle of contributions to...