Vicious critics hate that Priti has the grit to fix the asylum system, says LEO McKINSTRY

It was one of the most electric moments of Margaret Thatcher's premiership. In October 1981, as her ratings plummeted and her Government ran into severe trouble over rising unemployment, spending cuts, inner city riots, and turmoil in Northern Ireland, she told her critics at the annual Tory conference that there would be no U-turn on policy.