The state of President Donald Trump's union is troubled.

When he delivers the annual State of the Union on Feb. 24, the audience in the House chamber will likely include members of a Supreme Court that just outlawed the stiff tariffs that have been his primary economic and national-security cudgel. A key part of his administration has been partially shut down in a ferocious showdown over his aggressive immigration enforcement.

And congressional Republicans, bracing for what now looks like difficult midterm elections, will be watching for which Donald Trump climbs the dais.

More: Why Supreme Court tariff ruling makes Trump a loser, Congress a winner

Call it a battle for Trump's brain.