have you on, thank you. when we come back, the latest on the deadly shooting in a michigan high school. we'll talk to senator chris murphy about why he says congress has become part of america's gun violence problem. >> this only happens in the united states of america. there is no other nation in the high income world in which kids were about being shot. it happens here in america because we choose to let it happen. happen ♪♪ dad, why didn't you answer your phone? ♪♪ your mother loved this park. ♪♪ she did. ♪♪ my hygienist cleans with a round head. so does my oral-b my hygienist personalizes my cleaning. so does my oral-b