Ka cika wannan magana: A zamanin yau, al'ada ce ga manyan jam'iyyun siyasa su "bayyana kafin taron"; a baya, duk da haka, wasu taron sun fara ne da sakamakon da ba a sani ba, suna buƙatar zagaye da yawa na jefa kuri'a don zaɓar wanda aka zaɓa. Babban taron jam'iyyar na karshe tare da kuri'a fiye da ɗaya don shugaban kasa ya faru a 1972 ga 'yan Democrat da
1948 ga 'yan Republican.