former assistant secretary of homeland security, and jonathan, a former secret service agent for president obama. gentlemen, thank you both. nearly 100 days of protecting president trump and the administration. what do you think tof the security challenges the white house poses for the secret service? >> first of all, the president is not an introvert. he's out there. any time you have a protectee who constantly puts himself out there's greater risk.self, - secret service has to respond to that risk through different means. concurrent to that, there's a change in the global landscape of risk. so social media has allowed for directed and inspired attacks around the world. messaging has gone out on how to execute, on different types of