He has published on AgoraVox (a free, giant group blog, it seems). 48 comments. 65% of the readers polled said the article was interesting.
In French, alas.
Note the legend: elu = elected — battu = defeated
Static chart:

Next French President prediction markets at BetFair
BetFair’s frontpage has improved. Great. However, politics prediction markets are still located in the “sports” server. Stupid. This server should be named “markets”, instead.
Previous: NewsFutures featured today in the French equivalent of the WSJ + NewsFutures Timeline
UPDATE: MIDAS ORACLE PROCLAIMS REPUBLICAN NICOLAS SARKOZY AS THE FRENCH PRESIDENT-ELECT.

