showing the next generation, i think, worries them a lot. >> dana: senator, what are you hearing from constituents in colorado? it's a state that has political views all across the spectrum. are you hearing increasing calls for congress to do something even if it's hard for the government to solve a problem like this? >> first of all, our souls ache for what happened in florida. tremendous tragedy. we have to look at and can't ignore but i think the red flags that have been talked about on your program and others have to be talked about by congress, state authorities, by officials around the country. these are flags that lead to mental health discussions. flags that lead to school security discussions. what did the f.b.i. know? there is a lot we'll have to learn to address some very significant issues. >> dana: indeed. if i could ask you about immigration, reason why i invited you on, rare that two senators from state would sponsor bipartisan legislation. there have been some developments in the last 20