(The Center Square) – American voters are one month out from election day, and some new developments threaten to upset the close race. According to Real Clear Politics’ polling average, the two candidates are nearly tied in several key swing states. Former President Donald Trump leads in Arizona, Georgia and North Carolina while Vice President Kamala Harris leads in Michigan, Nevada and Wisconsin, though the leads in all six of those states are less than 2 points, within the margin of error in most polls. They are tied in Pennsylvania, according to RCP. However, the conflict in the Middle East…