a bum give a secret serviceman a tip about a secret service man in the presidential detail who plan to kill the president . baloney . how do the bum know . the script then turn to a most detailed examination of how the secret service work and but who care . most of this just slow down the movie . all the chase that follow be this film version of the tiresome car chase of many movie . then and after a lot of impossible athleticism in which our hero outruns and out gun all his buddy and we have a shootout in the toronto city hall . the canadian be clearly mark with maple leaf and but how do they get into this . finally and all be work out . but it still make no sense .