The Congressional is a total frenzy. I think in the entire circuit, including the 5th hole to-end and the hole 10 there is a sort of Bermuda Triangle. I lost about a hundred nikes' marbles, mostly concentrated on the 10th hole but I think it's a real coincidence.
The simple fact that we speak denotes and reflects a certain fear in facing. Systematically done as described by Maru and Ab but I think it is, as well as a focal point, for even psychology: in front of those 500yds straight lurks always a pitfall and this does not depend only on the VEM or missed DING but just from a mindset on correct approach to the green.
Close an eagle is not by many, but the closing of the birdie is not difficult unless you find yourself with head wind. With cross wind I usually "support" to the wind trying to miss the DING down, never to excess, possibly longer the closing pin hole. Front-left side of the green is closing linear with right-side slope, try to putt between 10/15ft or even from the fringe is quite possible.
Then of course, in all these theory, you need a damn fortune.
David.