Roll Call's David Hawkings decodes the history of independent investigations into Oval Office scandals.
South Carolina Sen. Lindsey Graham found himself in rare agreement with GOP presidential candidate Donald Trump. (Bill Clark/CQ Roll Call file photo)
Sen. Lindsey Graham has called for a special prosecutor to investigate Democratic presidential candidate Hillary Clinton’s use of a private email server during her time as secretary of State.
The South Carolina Republican, a vocal critic of GOP presidential nominee Donald Trump, agreed with Trump's call earlier this week for an independent investigation.