The one letter clearly shows that Harvard was desperate to get rid of Obama Sr.
There is nothing here that really tells us the reason “why”.
All of the documents can be read at http://www.scribd.com/doc/54015762/Barack-Hussein-Obama-Sr-Immigration-File
Note that page 23 states the following:
“Obama is considered by [redacted] to be a slippery character.”
Like father, like son, huh?