One week until the U.S. presidential election and voters are concerned not only about the results, but also the potential for a legal fight over the results. Some of the biggest concerns are focused on legal attempts in key states to change election rules. Most experts believe the results will not be final on election night as mail-in votes could take days to count. We spoke with Professor Rebecca Green, Co-Director of the Election Law Program at William and Mary for insights into how the legal process works in a contested election.