Joe DiGenova, a Republican U.S. attorney appointed by President Reagan, said Clinton's "biggest problem right now" is the open FBI investigation into the contents of her private emails.
"They have reached a critical mass in their investigation of the secretary and all of her senior staff," DiGenova said Tuesday on the "Laura Ingraham Show" radio program. "And, it's going to come to a head, I would suggest, in the next 60 days."
FBI Director James Comey has refused to answer questions about when his agents will wrap up a months-long probe into whether Clinton and her staff mishandled classified information on an unsecured network.