The fact that Pravda has already raised the question of validity of treaties and agreements signed by Obama tells me that just leaving the question unanswered is going to cause major problems.
Then there’s the possibility of American soldiers being seized by a country accusing them of operating unlawfully under orders of an illegitimate leader.
The constitutional cowards need to man up and defend it, unless they’re hoping for failure in which case they aren’t Americans in my eyes.