sacramento calif. california move presidential primary june march bill sign wednesday democratic governor jerry brown change aim give liberal-leaning state influence choose candidates either national party populous u.s. state vote heavily democrat hillary clinton november presidential election traditionally hold primary late democratic republican voters state essentially already choose party candidates golden state long relegate last place presidential nominate process say secretary state alex padilla democrat back change statement candidates able ignore large diverse state nation seek country high office bill pass mostly along party line majority-democrat legislature new date leave iowa caucus new hampshire primary place first second contest presidential election cycle voters state choose candidate would like party nominate president california primary june others hold early candidates largely ignore state spend less outreach elsewhere make few visit fail prioritize california voters concern campaign supporters say 2016 california democrats choose clinton republicans opt donald trump populist businessman ultimately presidency backers legislature say early primary would lead less divisive choices members major party 2020 election cycle establish california lead voice choice candidates progressive democrats also believe move primary could result party selection liberal candidates california beat heart national resistance trump california democrats define progressive agenda america state democratic party chairman eric bauman say press release come decide democratic nominee voice need hear early process california move presidential primary big say candidate choice