Dave trashing Chukapedia was the highlight of last week’s Queen’s Speech debate. In yesterday’s Sun column Guido revealed how Number 10 came up with the killer line during their pre-debate prep. John Hayes, Dave’s new senior parliamentary adviser, was in favour of a subtle, understated approach. Perhaps gently chastising Chuka as simply a typical Labour MP.  The Prime Minister was having none of it, Guido hears, banging the table and exclaiming: “No! Let’s get him.” Dave himself then came up with the body blow: “Can we change our Wikipedia entry? Yes we can!” Chuka’s face showed he made the right call…