Original sentence: Because the Arctic National Wildlife Refuge is believed to contain a large supply of crude oil, the question of whether to drill for oil in the 1002 section has been an ongoing political controversy since 1977
Edited sentence: Because the Arctic National Wildlife Refuge is believed to contain a large supply of crude oil, the question of whether to drill for oil in the 1002 section has been an ongoing political controversy since 1977, which received widespread media attention in the United States during the 2008 Presidential election, largely due to Alaska Governor Sarah Palin being the Republican Vice-Presidential candidate