A reasonable president wouldn't have sent him in the first place. A reasonable president would be asking for him back, offering favorable diplomatic terms.
If refused, as Trump has claimed, a reasonable president would be parking a carrier group off the coast of Acajutia, and having F/A-18s doing nightly, low-altitude, glass-breaking, supersonic passes over Casa Presidencial.
In this job marlet, if you're not lying, you're not trying.