With just hours remaining before Election Day, both the Obama-Biden and McCain-Palin campaigns are making their final pitch for your votes. Sen. Barack Obama hopes to hold off a late-inning McCain rally by repeating several unlikely promises, which we examine in another article, “Closing Arguments: Obama.” Meanwhile, hoping to prove the pollsters wrong, John McCain and Sarah Palin flog some new attempts to cast doubt on Obama’s character; one concerns a seven-year-old interview and another, a five-year-old video.