《经济学人》中的哪个专栏适合阅读,以备战GRE?

没明白Obama这句话的笑点,
《经济学人》上的：Mr.Emanuel is as persuasive as he is profane.(Brack Obama once joked that Mother`s Day was "a tough holiday "for him "because he is not used to saying the word ‘day’ after mother") Obama 说的是很猥亵的意思吗,和profane 有什么关系吗?

2006《经济学人》文章中一些词组的翻译。
1.a market accounting for one third of premiums written worldwise. 其中的“written worldwise”是什么意思？ 2. a regulatory free-for-all. 3.America's 26th largest. it is to this midwestern city that …… 暂时就这几个，希望懂的人可以为我解答。感激！

有没有在《经济学人》www.***.com注册了的?有问题.
很久没学英语,想重新补习,就看到网上介绍在经济学人网站注册了,刚收到一封邮件,因为英语不好,看不懂.不知道哪位前辈收到过,或者现在帮忙看一下,是不是要收费的.
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请问谁能说一下怎么退订,谢谢了.