mark siegel as ted was pointing out the mental health issue, a national guard reserve and still is, experth firearms, instructor self reported he was everything delusional thoughts. your final thoughts on this. >> trace, there appears to have been great warning signs here. homicidal aid creation, threats of violence, unstable person, hearing things, looks like the big lesson and message here is we need to pay more attention to that and not give fire arms to these people but i hope the people of lewiston maine in fear not knowing where he is let's play that law enforcement catches him soon. >> dr. mark thank you very much. we talk about this being a mass shooting it's a manhunt dozens of police officers searching the wound around lewiston because they've found his car. they have not yet found the shooter. we will continue all week long you are breaking news coverage on the war in israel. i'll trace gallagher in jerusalem. i'll see you right back here again, tomorrow night. ♪ control of my crohn's means everything to me. ♪ ♪ control is everything to me. ♪ feel significant symptom relief at 4

the unlike the 19th century and people like siegel and marks, the enlightenment never believes that progress was necessary and inevitable. it only believed that it was possible. that was a new idea. progress is in our hands, and that means so is rigorous. it's up to us. over the course of my journey, i keep thinking of stephen painter. and this idea of us having had nothing but improvement since the enlightenment, which from me seems a worthy topic of debate. hi stevens. really? yeah. hi. this is how are you? very good to you. yeah, good. has he been involved in so far so good. yeah. and for fascinating city history, i spend a day accompanying this defender of the enlightenment around berlin and have a few questions for him. could it be that pinker has a somewhat one sided view of human kinds of progress in the last 2 and a half centuries? an admitted certain parts of the world. perhaps he's forgotten how hard people in social movements have had to fight for progress. seems to be the easiest i progress as an organic natural process? no, i haven't, i that's not the way i think of it actually,