There will be another webcast for the Cassini Flyby of Jupiter, Webcast 4: From Ellipses to Gravity Assists, on February 13 from 4:30 to 6:00 PM (PST). The presenter will be Charley Kohlhase. Charley is a planetary mission designer, author, artist, teacher, environmentalist, and public outreach specialist. During his JPL career, he led successful mission design efforts to Mars, Jupiter, Saturn, Uranus, and Neptune, twice receiving NASA's Outstanding Leadership Medal for the epic Voyager Grand Tour mission to the outer planets.

http://www.jpl.nasa.gov/jupiterflyby/events/events_index.html