park? when there are children? also later the pope makes his first visit to mexico and is calling on catholics to resist the temptation of violent drug traffickers. a lot of mobile apps allow us to keep up with our friends. now some new ones want to help you cozy up to strangers. we ll see how coming up. you re watching cnn saturday morning where news doesn t take the weekend off. from cnn s world headquarters bringing you news and analysis from across the nation and around the globe, live from studio 7, this is cnn saturday morning. our big story that we investigate from all angles to give you context and analysis, our main bar, the death of trayvon martin. as the national fury grows vigils and marches are spreading throughout the u.s. demonstrators wearing hoodies and holding skittles have become the trademark symbol for people demanding justice for trayvon. george zimmerman admitted shooting martin saying he aktded in self-defense. since the shooting last month zimme