My ten days of trying to cover the hard-slamming Cannes Film Festival, which has always involved 18-hour work days broken up by sleep periods of five or six hours, has wound to a close, even though the festival will continue for another three days including today — Friday, 5.15. I’ve been hanging with Jett, who reviewed and covered for the Boston Pheonix online for the last six days, and this morning we’re pushing on to Italy for a few days. I’ll still do my daily filing, but from a somewhat more tranquil head-space. I did and saw many things during the festival that I haven’t yet gotten into, so…