QUESTION: Can a person of Greek ethnic origin better understand the 
          Greek New Testament and therefore correct the English Bible?

ANSWER: No.

EXPLANATION: The Greek language as found in the New Testament and the 
modern Greek language spoken in Greece are so vastly different from 
each other as to be noninterchangeable one with the other.

The faulty assumption that a "Greek" would be equipped, due to his 
nationality, to change the Endish Bible is humorous at best and 
arrogant at worst.

No man, Greek or otherwise, has been inspired by God to change the 
Bible.

Teaching "from the Greek by a Greek" may sell many books and lead to a 
rich Greek, but it certainly doesn't lead to a better understanding of 
God's word.