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Another explanation for the donkey as political symbol stems from the 1828 presidential campaign - - during which Andrew Jackson was labeled a " jackass , " for his populist views . ' Nader 's campaign , on the other hand , has barely raised $ 1.5 million for the entire campaign - - compared to $ 239.8 million raised for Bush and $ 210.7 million for Kerry - - and , understandably , has n't had the resources to effectively counter all of the legal challenges confronting them during the past few months . The length of Presidential campaigns - once limited to a short burst between Labor Day and Election Day - has also expanded . At a press conference in Washington , D.C ., this week , Daily and a number of other prominent scientists - - including Oregon State University zoologist Jane Lubchenco , retiring president of the American Association of the Advancement of Science - - called upon scientists to take up a new campaign : a valuation of Earth 's essential natural resources and threats . The RPG system family of hacked dungeons & dragons is meant for hack'n'slash campaigns - yes , those campaigns with less brains and more gore and dice throwing . During his presidential campaign - - the first in the country 's history that allowed multiple candidates - - Pres .