The contrast between Sen. John Edwards’s empathetic, warm, evocative speech at the Democratic convention and Sen. Hillary Clinton's rote, tinny partisanship was all too obvious. If the former first lady thinks she can roll over Edwards, even if his ticket loses in November, she has another thing coming. The impact of Edwards’s speech will not soon dissipate. A national convention has not heard the likes of his speech in some time. His content was Clintonesque. His delivery had the compelling, uplifting quality of Martin Luther King Jr. His emotionality was worthy of Reagan. He is a star. Hillary only has...