The Hillary Clinton email scandal could yet derail her campaign, which of late has looked virtually unstoppable.
Since her strong performance in the Oct. 13 Democratic presidential debate, fate has smiled on the Clinton campaign.
Two rivals for the Democratic presidential nomination have dropped out, former Virginia Sen. Jim Webb and former Rhode Island Gov. Lincoln Chafee. Vice President Joe Biden, who potentially represented a more credible threat, announced he would not run.
This week, she easily deflected aggressive questioning from Republican members of the House committee investigating the 2012 Benghazi tragedy.
And Clinton has reversed a months-long slide in the polls. Since the debate, her numbers in the Real Clear Politics average have risen from 42% to 47.8%. She'll pick up more support now with Biden decisively out of the picture.
And yet the Hillary Clinton email scandal continues to stalk the campaign. It's the last real obstacle between her and the Democratic nomination for president – and in all probability, the White House.
What Makes the Clinton Email Scandal Unique
Clinton and her supporters have insisted that she did nothing wrong regarding her use of a private email server during her tenure as secretary of state.
And if it were just another GOP Congressional committee conducting an investigation, Clinton would have nothing to worry about.
But Republicans aren't the ones looking into possible Hillary Clinton email wrongdoing. It's the non-partisan Federal Bureau of Investigation (FBI).
The progress of the FBI probe, which launched in early August, is unknown. But we do know the agency won't give Clinton a pass because of her status.
"If you know my folks, you know they don't give a rip about politics," FBI Director James Comey said in a meeting with reporters Oct. 1. "And my job as director of the FBI is to ensure that we remain those things I said we are: competent, honest and independent – and that we do our work well."
The wild card, of course, is whether the FBI investigation of the Hillary Clinton email activities will result in any charges. That's what her campaign fears most. Even if she could successfully fend off any punishment, it's very doubtful any presidential candidacy – including hers – could survive an indictment.