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CNN's Chris Lawrence looks at the background of Paula Broadwell and her relationship with David Petraeus.
CNN's Lisa Sylvester highlights on Gen. Petraeus' wife, Holly, and why she is an impressive military presence herself.
RELATED STORY: Petraeus probe includes top general in Afghanistan
Did Petraeus' relationship with Paula Broadwell put national security at risk? CNN's Suzanne Kelly reports.
RELATED STORY: Assessing security implications of Petraeus' infidelity
There are more intriguing twists and turns in the scandal that's gripping Washington - the affair that led Gen. David Petraeus to resign as head of the C.I.A.
At least one lawmaker may have learned of it before the President, and there are growing questions about the F.B.I. investigation that ultimately led to Petraeus' stunning downfall.
Watch CNN today at 4p.m. ET for Brian Todd's report and more news and analysis on Petreaus' resignation.