Last night, Barack Obama said he had recently read an article about Winston Churchill during the London blitz. "Churchill said, 'We don't torture,' when the entire British -- all of the British people were being subjected to unimaginable risk and threat," Obama said. "And then the reason was that Churchill understood, you start taking short-cuts, over time, that corrodes what's -- what's best in a people. It corrodes the character of a country." It was, perhaps, the most powerful anecdote of the night, and an apparently powerful moral condemnation of President Bush, an admitted admirer of Churchill who kept the...