Protesters repeatedly interrupted Defense Secretary Donald H. Rumsfeld during a speech Thursday and one man, a former CIA analyst, accused him of lying about Iraq prewar intelligence in an unusually vociferous display of anti-war sentiment. "Why did you lie to get us into a war that caused these kind of casualties and was not necessary?" asked Ray McGovern, the former analyst, during a question-and-answer session. "I did not lie," shot back Rumsfeld, who waved off security guards ready to remove McGovern from the hall at the Southern Center for International Studies. With Iraq war support remaining low, it is not...