It’s not a joke, Huckabee says so here:
http://www.mikehuckabee.com/mike-huckabee-news?ContentRecord_id=9a989cf6-fe6d-42fb-9825-d8095c2d15c2
I've already heard this statement.
Did Huckabee comment about why he gave Trump the ending of his program to make a (comical) appearance?
This isn't a big issue to me, just very odd.