Has John Howard finally pinned Mark Latham to the wall over his pledge to pull Australian troops out of Iraq by Christmas? And will it make a difference to the election result?Initial polls suggest that the fracas over the Christmas troop withdrawal pledge has created the first big dent in Mr Latham’s credibility, but Coalition backbenchers on knife-edged margins would be wise not to become too cock-a-hoop just yet.While Mr Howard has not delivered any killer punch, the episode has certainly giv…
