Here's a picture everyone definitely can see, along with more info.

http://velonews.competitor.com/2012/...f-flats_229833

There was obviously a TV camera at the summit, so hopefully that will help identify the culprit(s).

And by the way, Sagan is amazing. I hope this is the start of a hugely successful career. He's fun to watch. I think he might be someone who can win the big Spring Classics.