among the high-income nations with fewer gun deaths. president trump did speak of gun reform today, pushing once again for select, well-trained teachers, perhaps former military, to also be armed. he made the case while pointing out that the one armed officer on site during last week's massacre failed to enter the building as students were under siege. >> frankly, you had a gun and he was outside as a guard and he decided not to go in. that was not his finest moment. that, i can tell you. he waited and he didn't want to go into the school. i just heard this. and it's a terrible situation. but we need people that can take care of our children. we're not going to let this happen again. see, a security guard doesn't know the children. doesn't love the children. this man standing outside of the school the other day doesn't love the children, probably doesn't know the children. the teachers love their children. they love their pupils. they love their students. >> joining me now, cnn pittal