How many people vote in the Iowa caucuses? (Iowa Caucus Project, 7/15/2015)
Americans talk a great deal about the right to vote, but we apparently do not really mean it.
Other afterword posts:
"The state of Iowa has spoken": Caucus winners from 2008, 2012 and 2016. (2/2/2016)
Donald Trump's shocking loss in Iowa caucuses: Not so much. (2/2/2016)