YOU SAID:
The president of the United States is a moron and doesn't know what he is doing.
INTO JAPANESE
米国の大統領はバカであり、彼が何をしているかを知りません。
BACK INTO ENGLISH
The President of the United States is stupid and does not know what he is doing.
INTO JAPANESE
米国大統領は愚かであり、彼が何をしているのか分からない。
BACK INTO ENGLISH
The US President is stupid and does not know what he is doing.
INTO JAPANESE
米国大統領は愚かであり、彼が何をしているかを知りません。
BACK INTO ENGLISH
The US President is stupid and does not know what he is doing.
That didn't even make that much sense in English.