You can watch either a live feed (when it's running), or choose the speech of your choice on the left. Click 'English' under the video for the translation. Lots of good stuff. An archaeology buff emails to point to Dr. Eilat Mazar's presentation. She's the one making a lot of interesting finds of late.

Climate scientist Bjorn Lomborg also has a good presentation to catch. (You have to click Sunday at the top -- since Monday hasn't happened yet).