The website is http://aging.senate.gov/, and check their website for hearings that you can watch as they happen. There was one last week, as an example:
May 16, 2007 -
Medicare Advantage Marketing & Sales: Who Has The Advantage?
Senator Herb Kohl (D-WI) will chair a hearing titled "Medicare Advantage Marketing & Sales: Who Has The Advantage?" on Wednesday, May 16, 2007 at 10:30 a.m. in Dirksen 106.