If the government takes guns away, criminals will just find another way to get them. This in turn will cause more violence because other people will have no way to protect themselves.
Social Networking is tearing us apart. People want to go on facebook more often than they consider going out with friends or having an actual conversation with them on the phone. Things said over the internet are often taken the wrong way and seem impersonal. Social networking also allows people to feel as though they can bully someone else because they aren't talking with face to face.