On Mr Miliband, he wrote: "The prime minister must push him to take positions: expose his strategy (to keep his head down, silently hope that the economy continues to go wonky and, well, just be the other guy), challenge him to take a view on the tricky issues opposition politicians love to duck.
"I'm struck by how detached the opposition front bench appears to be from their leader... I just don't think they rate him very much.
"And if they don't, there's a good chance the public will feel the same way once they get to know him properly."
More top news
Mostly cloudy overnight, but as low pressure systems feed in as the week goes on an unsettled period can be expected.
The hunt for murder suspect Jed Allen has ended after police found his body two days after discovering his mother, stepdad and sister dead.
Ben Stokes was in the thick of the action again as England completed a once highly improbable victory in the first Test aganist New Zealand