Petraeus’ mistress sent harassing e-mails to woman who ‘threatened’ relationship: sources

Rawwwr — she’s got claws! Ex-CIA boss David Petraeus’ catty mistress sent harassing e-mails to another woman who she believed threatened the relationship, sources told The Post. The e-mails from Petraeus’ paramour — married reserve Army officer Paula Broadwell, 40 — so frightened their recipient that she sought FBI help identifying the…