Since people have a hard time differentiating between a persona and a face, here is the definition of each:
Face
[feys]
noun
1.the front part of the head, from the forehead to the chin.
2.a look or expression on this part:
a sad face.
3.an expression or look that indicates ridicule, disgust, etc.; grimace:
The child put on a face when told to go to bed.
4.cosmetics; makeup:
Excuse me while I go to the powder room to put on my face.
5.impudence; boldness:
to have the face to ask such a rude question.
6.outward appearance:
These are just old problems with new faces. The future presented a fair face to the fortunate youth.
7.outward show or pretense, especially as a means of preserving one's dignity or of concealing a detrimental fact, condition, etc.:
Though shamed beyond words, he managed to show a bold face.
the definition of face
persona
[per-soh-nuh]
noun, plural personae
[per-soh-nee] (Show IPA), personas.
1.a person.
2.personae, the characters in a play, novel, etc.
3.the narrator of or a character in a literary work, sometimes identified with the author.
4.(in the psychology of C. G. Jung) the mask or façade presented to satisfy the demands of the situation or the environment and not representing the inner personality of the individual; the public personality (contrasted with
anima ).
5.a person's perceived or evident personality, as that of a well-known official, actor, or celebrity; personal image; public role.
the definition of persona
Face means how you look, persona means how you act in certain situations.
Donald the Chump doesn't understand big words, and it's showing in the way he's trying to defend himself.