Original sentence: " DeLay, a Houston congressman, and Lanier, a former mayor of Houston, had both actively opposed light rail in the past
Edited sentence: "  DeLay, who for years blocked federal light rail funding for Houston until voters approved light rail as part of a ballot referendum, argued that not enough people in Houston, which has an enormous freeway system, would use light rail to justify the large expenditure.( DeLay's campaign contributions by industry for the 2004 campaign cycle, from the Center for Responsive Politics.But proponents of light rail have said DeLay's reasons for opposing light rail were more rooted in significant contributions made over the years to his political campaigns by the highway building and contracting lobby