I’m picturing Sir Tony Blair enjoying a fitting of his Garter robes after watching Boris Johnson stagger through PMQs. ‘I’m in the clear these days,’ he’s thinking. ‘So much water under the bridge, what could possibly come back to haunt me?’ Well, here are two items he might like to consider: the application of the 2003 US-UK extradition treaty in the case of Dr Mike Lynch; and Foreign Secretary Liz Truss’s statement that new sanction rules will mean ‘nowhere to hide for Putin’s oligarchs’ and their fin-ancial assets.