Tom Morello [ tickets ], Jello Biafra [ tickets ] and Ike Reilly [ tickets ] will be among the performers and celebrity supporters scheduled to participate in two "Super Rallies," to be held in both Denver and Minneapolis during the Democratic and Republican National Conventions. The rallies, which are being organized by the independent presidential campaign of Ralph Nader and his running mate, Matt Gonzalez, were designed as a call for the opening of the presidential debates, according to a press release.

Nader will host the first "Super Rally" Aug. 27, during the DNC, at the University of Denver's Magness Arena. On Sept. 4, during the RNC, Nader will hold a second rally at the Orchestra Hall in Minneapolis.

Confirmed celebrity supporters, speakers and performers also include Nellie McKay, Val Kilmer and Cindy Sheehan.