karl cameron has the report. reporter: reporter: this steel town now has armed troopers guarding their public-school. >> the first reaction is to keep the kids at school say. >> whether we are right or wrong, we will do whatever it takes to protect the children. >> there is concern that any weapon in schools can create new risks. in july the more evidence that we have, the better. for 99% of public schools require visitors to sign it. 92% walk or monitor doors according to the study by the national center for education systems. metal detectors are commonplace and have been here at butler for years as well. 30% are dissatisfied with current gun laws, a 15-point jump year ago. if you research poll says 51% think it is more important to control gun ownership, 45% it's more important to protect gun rights. maryland governor martin o'malley wants to add fingerprinting and background checks. and mandatory gun safety courses for gun purchasers. >> will do everything we can to protect them from the horrors of gun violenc

carl cameron is back with us from capitol hill. karl, what has to happen? >>carl: will sponsors and advocates will talk about being a path to citizenship contingent on, and they will rattle off a list. first is securing the borders. that is contentious. there are some who believe the only way do secure the border is with a fence from the pacific ocean to the gulf coast. maybe say that is unrealistic and it would be porous and people could get over, under, or around it. border security first is a primary contingents. the other contingent is the e verify program which critics say could get dangerously close to a national i.d. program but would prevent illegal workers from being hired in the united states with a documentation program. how that is accomplished is also a major hurdle that has frankly left a gridlock in the past. there are many things that fall under "comprehensive immigration reform," that john mccain talked about. four, and, also, eight years ago, and remarkable come tear when he said that republicans are losing the hispanic vote which is a rea

. >> carl cameron keeping an eye on it for us live. thank you very much karl>> barbara walters is recovering from a bump on the head tonight. veteran news woman tripped and fell at the washington home of britain's ambassador to the u.s. during an inaugural party. the fall left her with a cut on her forehead. while she remained alert her friends thought it was a good idea to take her to the hospital for a full examination. it is unclear when she will be released from the hospital. walters who is 83 had heart surgery a couple years ago. >>> new information from algeria. following the hostage crisis at one of the country's gas plants the military raided a plant at the end of the seeing yesterdie. they found 25 more bodies there. those bodies in such bad condition it is not clear at first if they were hostages or a terrorists. the bodies are all of hostages. if that is indeed the case that doubles the number of victims killed in if the siege and brings the overall number of lives lost to at least 80. connor powell is in the bureau with more details on all of this.