The one question that coursed across everyone's lips in the ad nausea yak over Democratic presidential contender Barack Obama's so-called race speech was: Did the speech help or hurt him? A Gallup poll stretched from March 14 through March 18. It was released two days after his speech. While it did not fully measure Democratic voter sentiment on the effect of the his speech, the responses in the poll on March 18 may have reflected some voter sentiment about...