http://blog.newsweek.com/blogs/stumper/archive/2008/01/03/caucus-day-primer-second-choice-support.aspxIn the Iowa caucuses, second choice can be first winner. It only happens in the Democratic contests, which involve a lot of arguing and realignment; Republican just cast ballots. But as I wrote this morning, candidates have to reach a viability thresholdenCommunityServer 2.1 SP2 (Debug Build: 2.18)