Sanders releases delegate numbers, list of superdelegates
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The campaign data show Sanders with 1,088 pledged delegates and lists 38 superdelegates on board. 
The Associated Press’s delegate tracker shows Sanders with 1,030 pledged delegates to Clinton’s 1,280.
Clinton also has 469 superdelegates, according to the AP.
The Sanders campaign’s announcement comes just hours before Saturday's Wyoming caucuses, where 14 delegates are up for grabs.