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>> i let him get facebook because he wanted to buy a snowmobile on marketplace. and little did i know that a criminal from across the world could contact him. >> david was just your typical 16-year-old boy. his life was abruptly cut short after months of relentless cyber bullying. >> we know if not for social media our children would be here. >> sandra: chilling cries for help there, parents speaking out in droves about the dangers of social media that led to the deaths of their children. and now there are calls for action at the forefront of today's senate hearing where some of the ...

We're not mentssaging on foreig policy, et cetera. we have a messaging problem and we had an obamacare face-plant in the senate. we've got to correct that and move forward. and we failed to do that last night. >> but ed gillespie did run on some of the issues, some of the cultural issues that have been most important and prominent to this president. like immigration, like confederate statues, like the nfl, you know, kneeling or standing for the anthem. he did run on that stuff. i think what we're trying to understand is do you think that helped or hurt in virginia for this race? >> some of tho...

but what's going to prevent terrorists from buying and using them? i'm wolf blitzer. you're in "the situation room." -- captions by vitac -- www.vitac.com he entered the race at the top of the polls, but rick perry has been watching his numbers slide and slide. his momentum rather slow. now, with a closely watched speech, the texas governor is trying to reverse his declining campaign fortunes. jim acosta is joining us now. he delivered what his campaign described as a major speech today. >> that's right. the speech was called the energizing american jobs and security speech, wolf, ...