Working together to extract the hateful poison of anti-semitism from our world. this was an anti-semitic attack at its worst. but this is case where they had an armed guard inside, they might have been able to stop him immediately. so this would be a case for if there was an armed guard inside the temple, they would have been able to stop him. reporter: it s of course not the first time the president has brought up the concept of armed guards. you ll recall earlier this year after a shooting in parkland, florida, the president suggested that schools should be equipped with armed guards. clearly believing guards with weapons at schools and places of worship are a better idea than passing gun control legislation. traveling with the president, mufries, illinois. thank you, so much. we want to talk with cnn analyst