Bill to Block Gun Lawsuits Moves Ahead.

Reports that the U.S. Senate voted to take up a bill that would provide legal immunity to gun manufacturers and dealers. Extension of a ban on assault weapons; Need to require instant background checks for gun show customers; President George W. Bush's criticisms of Senator John Kerry of Massachusetts illustrating the political volatility of the gun issue; Balance between the rights of legitimate business owners and the rights of individuals who have been injured by gun violence.