The Trump administration has accused Europe of being an “incubator” for terrorism fuelled by mass migration, in a new counter-terrorism strategy unveiled on Wednesday. The strategy also focuses on rooting out “violent left-wing extremists” including “radically pro-transgender” groups, as Trump’s conservative administration steps up its political attacks on opponents. It also further places drug cartels in the Americas at the centre of counter-terrorism efforts. But some of its strongest language is reserved for Europe , home to numerous US allies who will be alarmed to see their continent in the Trump administration’s crosshairs once again. “It is clear to all that well-organised hostile groups exploit open borders and related globalist ideals. The more these alien cultures grow, and the longer current European policies persist, the more terrorism is guaranteed,” the strategy said.…