At Notre Dame Sunday, President Obama took on the issue that has dogged his visit and sharply divided and polarized Americans for decades - abortion.

VOA: standard.2009.05.17

New York City took the lead in that and we'll talk about that as a political issue later in the class.

纽约带头取缔了反式脂肪,这件事我们将稍后从政治角度进行讨论

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I took my role to sniff that out, and to make sure the president heard 2 and 4 on an important issue, and was able to make the decision himself.

我的作用就是发现这些，保证总统可以听到2和4这两个观点4,在一些重要问题上，然后他能自己做决定。

普林斯顿公开课 - 国际座谈会课程节选