thanked first responders for their relief which johnson is a lecturer in us politics at queen mary university of london. >> he joins us now from oxford, england, which are good to see you. >> obviously this was an important moment for donald trump, but he wanted to take to the stage and in butler, pennsylvania, projecting strength and defiance. >> did he achieve that i would say on his own terms, he probably did. >> now, what he may not have been able to do was to project a message of unity and coming together. if you remember, after assassination attempt there was some discussion that trump would give a conciliatory speech at the republican convention speech about the american people in effect, cooling the temperature of the election and for people to see that commonalities. i mean, there was a moment at the start where he paid tribute to the first responders, the people who've been injured, the gentlemen who had saturday been killed. >> but even that trump couldn't resist in his kind of character vignettes of these people to emphasize their good character by saying one strong trump supporters, they w