Economic relations will be at the fore of the Trump administration’s diplomatic efforts, Deputy Secretary of State Christopher Landau said on Wednesday, pledging to make the State Department more responsive to private-sector concerns about doing business abroad and citing critical minerals as a key area of focus. In his first public remarks since taking office in late March, delivered at the Export-Import Bank of the United States’ annual conference in Washington, Landau contended that the U.S. has not been working...