So Boris Johnson's comeback trail, like that of Liz Truss, runs through Washington, DC?

On the last day of January, Boris Johnson was wandering around Capitol Hill, meeting and greeting sundry members of the Republican Party.

The trip came within weeks of Liz Truss’s attempt to chum up with the same political crew, albeit a slightly different cast.

What’s with former British prime ministers and America’s Republicans?

Climbing the greasy political pole.

Mr Johnson met Senate Minority Leader Mitch McConnell, House Speaker Kevin McCarthy, Senator Rick Scott of Florida, Representative Jim Banks of Indiana, and former speaker Newt Gingrich.

He made an evening appearance on Fox News, to hammer Rishi Sunak for failing to send fighter jets to Ukraine. Indeed, his comments to anchor Bret Baier underlined Mr Johnson’s rejection of the Biden administration’s decision not to send those same jets: “Every time we’ve said it would be a mistake to give such and such an item of weaponry, we end up doing it and it ends up being the right thing for Ukraine.”

And he talked tough, declaring that t…