The 2,000 paratroopers heading to the region may give President Trump more leverage in negotiations, but they also leave him with the option of doubling down on military force.

Our national security correspondent David E. Sanger looks at President Trump’s trouble handling retaliatory attacks by Iran that have largely choked off the Strait of Hormuz.

In the first days of the U.S.-Israeli campaign against Iran, Mr. Trump pressed for a popular uprising against Tehran’s government.

As the conflict with Iran expands and intensifies, President Trump’s options — to fight on, or to move toward declaring victory and pulling back — both carry deeply problematic consequences.