The administration of United States President Donald Trump has issued subpoenas against journalists from The New York Times, in what advocates say is an escalating attack on the free press.Late on Friday, the Times reported that at least four of its reporters have received subpoenas, some delivered to their homes by federal agents.Recommended Stories list of 3 itemsend of listThose subpoenas compel them to testify before a grand jury in Manhattan on Wednesday.“The appearance of federal law enforcement agents on the doorstep of news reporters should shock the conscience of any American who believes in the Constitution and the press freedom it protects,” said David McCraw, the newspaper’s lawyer, in a statement quoted by the Times.News of the subpoenas prompted outcry from leading news groups including the Committee to Protect Journalists (CPJ), which demanded their withdrawal.“The subpoenas are an extraordinary escalation in President Trump’s efforts to threaten and intimidate independent news organizations, and have a chilling effect on the work of journalists across the country,” said CPJ’s chief executive officer Jodie Ginsberg.The subpoenas were authorised by a top official in Trump’s Department of Justice: Jay Clayton, the US attorney for the Southern District of New York.Clayton is in line to succeed Bill Pulte as the director of national intelligence, a cabinet-level role Pulte holds on an interim basis. The Senate is set to begin hearings on Clayton’s confirmatio …