Photo via PA Images/ Alamy It is time to talk about Morgan McSweeney. Before his evidence session to the Foreign Affairs Committee on 28 April, he was treated as a semi-mythical figure, a shy, woodland creature occasionally caught by the camera with a phone glued to his cheek and a wary expression. Shy, but dangerous. For the left of the Labour Party, he was an existential threat with the potency of Georgy Zhukov and the guile of Machiavelli, the most provocative Irishman since Wolfe Tone. McSweeney had been a reliable and useful contact of mine since well before the election. We spoke on the phone often, met occasionally over a coffee or beer; once, he cycled over to my house to fill me in. I heard him speak privately at meetings where he was by far the most eloquent, witty and persuasive exponent of the Starmer agenda I’ve heard – far more so than the Prime Minister. He was particularly ferocious about how Labour people had treated the grooming gang scandal.…