A 'cloak of secrecy' created by the UK in its encryption showdown with Apple must be removed, according to a cross-party group of politicians in America. The group of Democrat and Republican senators and representatives has written to the Investigatory Powers Tribunal (IPT) ahead of a hearing in secret tomorrow. It has been reported that this is the case in which Apple is appealing against a Home Office order to weaken its encryption. Politics latest: Thousands to lose jobs after PM decision This order was made in the form of a Technical Capability Notice (TCN) under the Investigatory Powers Act…