haven't felt. >> demanding changes to the gun laws. more than 100 teens staging a lie-in outside the white house on presidents' day. an effort to pressure lawmakers to toughen gun regulation. >> 100 students will board buses from parkland to the florida state capital to speak to state lawmakers tomorrow. students in florida rallying and promising to take their message to washington. >> this is simply a matter of are you with us or are you against us? are you for taking steps to save us or are you for taking nra blood money? we are not letting the united states be run by that terrorist organization. my friends and i, my community and i have stared down the barrel of the ar-15 the way you have not. we have seen the weapon of war mow down people we know and love the way you have not. how dare you tell us we don't know what we're talking about. you have no idea what you are