Odd indeed. The President's name contains no apostrophe :)
The emails are bizarrely sloppy with spelling and punctuation, perhaps many usages of "don't" ended up being typed as "don t", triggering an automated find-and-replace.
The emails are bizarrely sloppy with spelling and punctuation, perhaps many usages of "don't" ended up being typed as "don t", triggering an automated find-and-replace.