washington, April 28 -- The man accused of shooting a US Secret Service agent as he tried to breach security at a Washington dinner attended by President Donald Trump is facing federal charges of attempting to assassinate the president, a judge said in court on Monday. Cole Tomas Allen, 31, of Torrance, California, also faces firearms charges. Allen wore a blue prison jumpsuit at his first appearance in Washington federal court, two days after authorities said they foiled an attack at the White House Correspondents' Association Dinner, an annual black-tie gathering of journalists and politicians. Allen has not yet responded to the allegations. Seated at the defence table flanked by US Marshals, Allen said he would answer all questions truth...