 Complete the following phrase:  Since Doug Rogers success at the 1964 Olympics, Canada has sent at least five and as many as fourteen judoka to every World Judo Championships and Summer Olympics, except for 1968 when judo was not included in the Olympics, and 1980 when Canada boycotted the Moscow Olympics in protest of the Soviet Unions invasion of Afghanistan see List of Canadian judoka for the names of everyone who has represented Canada at the World Judo Championships and the Olympics, and Competition for medal results. Rogers won bronze at the 1965 World Judo Championships, and some of his Canadian contemporaries won medals at other international tournamentsespecially the Pan American Gamesbut no other Canadian made it to the podium at the highest level again until Kevin Doherty and Phil Takahashi from Ontario won bronze in their respective weight categories at the 