U.S. President Donald Trump participates in a listening session on gun violence with high school students, teachers and parents in the State Dining Room of the White House in Washington, D.C., U.S. (Photographer: Andrew Harrer/Bloomberg)

Trump Warns Iran It Faces Ruin If It ‘Wants to Fight’ With U.S.

(Bloomberg) -- President Donald Trump warned Iran not to threaten the U.S. or face ruinous consequences as tensions mount between Washington and Tehran.