There’s no reason to think that support for Brexit matters a lot to Party members – and thus to the members of our panel.
But Johnson gets less reward than one might expect for his earlier backing for Leave, which stretches back to the referendum campaign, or for his pioneering Euro-sceptic Daily Telegraph columns from an earlier age.
Hunt got about a fifth of the vote in our run-off against Sajid Javid, and this rises to the best part of two-fifths in this instance.
However, the most economical explanation of the increase has less to do with the Health Secretary, in our view, than with the Foreign Secretary – and with the decline in his ratings which we wrote about earlier.