Lawmakers probe widening generals scandal

Former Commander of International Security Assistance Force and U.S. Forces-Afghanistan Gen. Davis Petraeus, left, shook hands with Paula Broadwell, co-author of "All In: The Education of General David Petraeus." Lawmakers are digging into the tangled tale of emails that exposed an extramarital affair ending David Petraeus' CIA career and led investigators to a questionable relationship between a Florida socialite and the general commanding the war in Afghanistan.