 Uwo wahoze ari visi perezida wAmerika yari inyuma ubwo leta za mbere zatoraga, ariko aza kwigaranzura abo bahatanye nyuma yamatora yo ku wa kabiri udasanzwe - Super Tuesday - na nyuma yo gushyigikirwa nabahoze na bo bari mu bahatanira guhagararira ishyaka ryabademokarate. 