POTUS speaks Korean
Just watched the 11:00 est broadcast
Notice that Trump looks at the Korean translator while she speaks.
You don't typically look at someone if you don't know what they're saying.
You tend to look down or away.
You wait for them to finish because their words mean nothing
He nods when she's finished as if in agreement.
Remember we're dealing with a highly educated person.
NY military academy
Wharton business
World ranked chess player
If you were planning to run for President for 30+ years, you'd know that Korea was going to be an issue.
It's not a great stretch to learn the language.
I wouldn't even be slightly surprised to learn he speaks Mandarin as well.