to recovery. >> here is what we're learning today. we know at least 24 people were killed when this tornado touched down on monday. and one of the most heart breaking scenes, let me say, there are so many of them, but one of the most is this pile of wreckage where the plaza towers elementary school once stood. seven children died there while taking shelter in a classroom. we are now hearing that president obama will be visiting this area this coming sunday. >> a neighborhood which is once again in ruins. since 1999, moore has taken the full brunt of two devastating tornadoes. the odds of this happening, extremely rare. perhaps incalculable. but the mayor is not taking any chances. today, the mayor is pushing for a new law requiring all new homes are built with storm shelters or safe rooms. >> i know you've been here a couple of days. i've been out this morning sort of walking around. and for all the numbers of