Can 1 Greek Letter Change the Gospel?

Vlog 140: Can the Gospel be changed by addition of 1 Greek letter in an important verse? Find out! God bless you all! – David W. Daniels

Even Mark Twain knew it was wrong (Thank you, Brother Daryl Coats):

“I wish here to mention an inscription I have seen, before I
forget it:

‘Glory to God in the highest, peace on earth to men of
good will!’ It is not good scripture, but it is sound Catholic
and human nature.”

–Mark Twain, “The Innocents Abroad” (1869, ISBN 978-0-9817644-6-7), Chapter XXVIII, p. 306.