Spencer P. Boyer directs the Washington office of the New York University School of Law's Brennan Center for Justice. He was a deputy assistant secretary of state in the Bureau of European and Eurasian Affairs and a national intelligence officer for Europe in the Obama administration.
U.S. President Donald Trump and Italian Prime Minister Giuseppe Conte hold a joint press conference in the White House in Washington on July 30. (Saul Loeb/AFP/Getty Images)