Barnaby Joyce has come out in force today, refusing to back down. "I'm not going anywhere," he told Fairfax Media in a fresh interview, describing the campaign against him as a "witch hunt". The problem for Barnaby is that the situation isn't so much an active witch-hunt as it is one of many limpet mines attached to the hull of his political career.

Here, Crikey writers identify and briefly explain these time bombs, whose ominous tick-tocking threatens to blow Barnaby's world apart. We've also given each point a bomb rating (aka explosion factor) scored out of a possible three.