yitzhak shamir was 96. >>> to the race for president. this one right across the border. the vote tomorrow in mexico could have a big impact here at home. because of the explosion of violence right across the border. so bad moms there are buying minivan, suvs with armor before they take their children to school. abc's cecilia vega is there on the eve of this vote. >> reporter: good evening, david. this is a country where corruption and crime are everywhere. the hope here is that a new president will have more success fighting the drug cartels. the hope in the u.s. is that a new president can keep the chaos from spilling across the border. there are gruesome new images nearly every day. more than 50,000 people have been killed in mexico's drug wars. the three biggest issues of this campaign are what? >> it's violence, violence and violence. >> reporter: on the campaign trail the three leading candidates propose changing how the war was fought. frontrunner enrique pena nieto -- young, dashing and married to a soap opera star wants to focus less on catching cartel leaders an

this is at least as big, if not bigger, in the british/irish context as yitzhak rabin shaking yasser arafat's hand. >> it's the next stage in the normalization of the northern ireland peace process becoming a place defined by the troubles for 3,000 people lost their lives in years and years of essentially civil war becoming a normal part of europe now. this is an extraordinary development. literally in some ways brings to an end hundreds of years of tension between britain and ireland. >> who would have ever believed this, going back to the violence of the '70s, violence of the '80s, who would have believed this. you had a key role there, richard. we're going to give you all the credit for it. it is -- >> yes. >> george mitchell deserves, tony blair deserves the credit. one of those remarkable sort of milestones where i never thought in my lifetime i would ever see. the ira killed the queen's cousin, lord mountbat, less than 25 years ago. he gets killed along with other members of the family and now you have people willing to put the past behind. this is an extraordinary sort of symb