 But the major question, if they surge security because of Iran, how did that man get on the rooftop? ABC's Pierre Thomas. President Biden reiterating his plea for a peaceful political process. You've got to remember, in America, we're not enemies. We're friends. We're neighbors. We're fellow Americans. Most importantly, we must fully and firmly reject not only political violence, but violence of any kind. The president in Las Vegas for the NAACP convention. You're listening to ABC News.