Trump tariffs would make a "steel slat" border wall much more expensive for taxpayers

A White House effort to win support for a border wall describing the project as "border security" with "steel slats" only serves as reminder that the president's steep tariffs on the metal would make any such project much more expensive. So far this year, the price of milled steel products is up roughly 25 percent, which matches the level of import duties Trump applied in March to all steel products made outside the U.S.