People claim the ban is retaliation for Governors Chris Christie and Andrew Cuomo (of New Jersey and New York, respectively) criticisms over the progress of a memorial museum.
Others feel that the inclusion of politicians lend extra gravity to the event. The presence governors and presidents does tend to elevate the importance of whatever event they're attending. However, does a 9/11 memorial really need any extra gravity?
What do you think? Let us know in the poll and the comments.