The death of Chavez did not really rally the left outside of his home base.

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At a rally Thursday before her death, Bhutto alluded to the danger she faced, as she had done on several occasions in recent months.

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"The family would like to have justice be served, so that Mark's death is not in vain, " she said at a rally at the march's end.

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There also have been deaths at the Baja 1000 and Dakar Rally, the two most famous off-road races, though multiple-death crashes into the crowd like the one in the Mojave Desert are rare.

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The rally in Sanford on the one-month anniversary of Mr. Martin's death drew thousands of people, including activists such as the Revs.

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