Gallup’s latest shows the volatility of this year’s races. In response to the standard “If the election were held today, which party’s candidate would you vote for?” question, the latest poll results put Democrats ahead, 54-41. But look at the results of the last three surveys, all among likely voters:

Democrat Republican
October 20-22 54 41
October 6-8 59 36
September 15-17 48 48