Without mentioning the issue specifically, he restated the philosophy he had laid out in Thursday's speech on national security.

VOA: standard.2009.05.22

There's never been a successful third-party political culture take hold in this country without one really big issue to drive it.

美国就从没有过,第三政党真正成功执政的时候,因为缺乏一个真正重大的议题来支持它

耶鲁公开课 - 美国内战与重建课程节选