There isn’t much that Republicans and Democrats can agree on, but there’s a great opportunity today for common ground in at least one area. Democrats want to constrain President Trump’s powers and to stop irritating Europe. Republicans talk of small government, lower taxes, and free enterprise.

These ends are all served by a bill GOP Sens. Bob Corker, R-Tenn., and Pat Toomey, R-Pa., have introduced to restore Congress’ power to impose and set tariffs.