during last fall's campaign, palin's political action committee put cross hairs on targeted democratic congressional districts, among them congresswoman giffords' district. many politicians are asking what can be done to prevent similar violence in the future. one of the few pro gun control republicans in the house, representative peter king of new york, wants to it make it illegal for someone to knowingly carry a gun within 1,000 feet of certain high ranking federal officials, including members of congress. also, new york representative democrat carolyn mccarthy wants to see a restriction on the sales of high capacity ammunition clips. similar to the one allegedly used by loughner at tucson. and it's not just gun control proposals. representative robert brady of pennsylvania wants to make it a federal crime to use symbols or rhetoric that appear to threaten members of congress. and then there are the briefings. lawmakers on capitol hill getting briefed today on efforts to improve their security in light of what happened to congresswoman giffords. senior congressional