A president’s behavior need not be precedent-setting.
A belief seems to persist among some on Capitol Hill that the Constitution requires members’ physical presence to do the nation’s business. This is false.
But it still should matter more than it does.
The country’s armed services can be an important check against lawlessness in the civilian executive. But correcting bad presidential policy is a job the Constitution leaves to Congress.
The president’s defenders argue that U.S. foreign policy is whatever he says it is. Trouble is, that’s not what the Constitution says.