Thirty years after Reagan 's shooting , presidential protection is more comprehensive . Powerful explosives are among growing threats to presidential security . Agent who shadowed Reagan : Explosives now `` can take a city block out . '' Then-Vice President George H.W . Book author : `` They do n't want to risk agents thinking . " Comment: The Secret Service has been around for decades and they have the resources needed to protect our president.
Thirty years after Reagan 's shooting , presidential protection is more comprehensive . Powerful explosives are among growing threats to presidential security . Agent who shadowed Reagan : Explosives now `` can take a city block out . '' Book author : `` They do n't want to risk agents thinking . " Comment: The Secret Service has been around for decades and they have the resources needed to protect our president.