Why did Obama feel the need for this speech?
Washington Post: Dogged by persistent questions about his faith in God and country , Sen. Barack Obama today journeyed to Harry Truman's birthplace to lay out his vision of patriotism, conceding that he has learned in this campaign "the question of who is -- or is not -- a patriot all too often poisons our political debate." "Throughout my life, I have always taken my deep and abiding love for this country as a given, " Obama said. "It was how I was raised. It was what propelled me into public service. It it why I am running for president. And yet at times over the last 16 months, my patriotism [has been] challenged - at times as a result of my own carelessness, more often as a result of the desire by some to score political points and raise fears about who I am and what I stand for." ... I don't know that he has been dogged by other candidates on this issue although some voters have raised questions about his dedication in this area. I think m