10.22 pm. The metaphor of the soldier slowly, relentlessly, grindingly putting his life back together was a powerful one for America – and Obama pulled off that analogy with what seemed to me like real passion. One aspect of his personality and his presidency is sometimes overlooked – and that is persistence. He’s been hailed as a hero and dismissed as irrelevant many times. But when you take a step back and assess what he has done – from ending wars to rescuing the economy to cementing a civil rights revolution to shifting the entire landscape on healthcare – you can see why he believes in persistence. Because it works. It may not win every news cycle; but it keeps coming back.

If he persists on healthcare and persists on Iran and persists on grappling, as best we can, with the forces creating such large disparities in wealth, he will…