<hr /><i>anonymous claiming to be Bill Burdick added on 2011-03-19 18:43:48 UTC:</i><br />
(I forgot to put in my name when I opened this)

I noticed that when I list the timeline in the UI, the "weird" branch doesn't start with a box -- it just has a line that goes down to the bottom of the page.  Maybe this indicates a badly formed branch.