after a hard week at work (yes, it's only wednesday) there is nothing i like more than to zone out. i especially like zoning out when the political news of the day gives me gas. so in recognition of the CMOS going online with a subscription, here's their Q&A section, where you can zone out while pondering the correct usage of its.
Chicago Manual of Style - Q&A
(i saw its used three times incorrectly today and it drove me nuts.)