I have got into the habit of finishing every December, with a column that tries to list the five most politically significant events of the year. I plan to publish this year’s list on December 23rd. It seems to me there are four events that have to make the list: the election of Obama, the collapse of Lehman Brothers, the Beijing Olympics and the Russian invasion of Georgia.

But what should be my fifth event? Please send nominations by the end of the week. Read more