Forums Tool view of topics out of synch with Lessons link to forums view

Students are adding forum topics via a link in Lesson Builder that aren't displaying either in the Forums tool view or in the forum when it's displayed in full in Lesson Builder. It's hard to explain so here's a screencast:

http://www.screencast.com/t/DKQgOWOp

This is a site where all content has been imported from a previous site including Forums.