She was made a partner at Slater & Gordon in her 20's. John Howard worked 12 yrs as a solicitor.
John Howard had a speech impediment according to Wiki. So does, according to some, Julia.
What we are dealing with here is not your Ronald Reagans or George Bush Jrs, but high achievers who have achieved more at such a young age than most of us armchair warriors will ever achieve in a lifetime or two.
Where is the evidence she is not intelligent? Where is the evidence she is less intelligent, say to, Tony Abbott?