In a close election, every vote really does matter.Nadzeya Haroshka/iStock / Getty Images PlusDaniel F. Stone, Bowdoin College Many Americans are not thrilled with either of the two major-party candidates for president. As of Oct. 4, 2024, polls showed that 46.5% had an unfavorable opinion of Kamala Harris and 52.6% felt unfavorably toward Donald Trump. Some of these unhappy voters are considering voting for a third-party candidate, or not voting at all. They may be thinking of those actions as a form of protest against the two-party system dominant in the United States, or against these two p…