This summer, Hillary Clinton is reportedly rolling in dough. New York's junior senator has amassed a $12.6 million war chest for her re-election bid next year, raising half that amount from April to June alone. Clinton's latest campaign reports, filed on July 15 with the Federal Election Commission, became public on July 28. Her second-quarter contributions totaled $6,108,413. Combined with interest and refunds, the campaign took in a total of $6,145,305 during the period. More than $5.8 million came from individuals—65,691 in total. Those filings sprawl across hundreds of pages, so finding out exactly where her money came from in...