I think this was just backlash by the Justice Department to aggressively investigate Democratic officials. Republicans are seriously concerned about the Democratic presidential candidates and the possibility of losing more seats in the House of Representatives and the Senate.
This smells like a smear campaign to taint the Democrats and trump the Republican "family values" card in front of the voting public. As the Republicans noted in 2006, sexual scandals rocked them in the months leading upto the general election and was one of the major reasons why the public voted them out of the majority in Congress.
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