Earlier this year, we learned that Peter Mandelson had allegedly conspired with a US bank against UK interests. Specifically, he advised JP Morgan boss Jamie Dimon to ‘mildly threaten’ then-chancellor Alistair Darling. Now, that same banking boss is once again mildly threatening the UK over plans to raise taxes… unsurprisingly, the Mandelson and his sticky fingers continue to cast a long shadow. JP Morgan CEO warns UK chancellor not to hike taxes on banks, could raise £19bn. Says it would lose jobs. From industry that has closed bank branches, profiteered, taken bailouts, sold dud products, engaged in frauds, facilitated illicit financial…