Conway said undecided voters are "most concerned about her veracity."
"I think that he is very conscious of the controversy that has existed," Goodlatte said.
Rep. Adam Schiff called the FBI director's letter an "ambiguity bomb."
Kellyanne Conway pointed to a new ABC News/Washington Post national poll.
"That's the challenge that we have going forward."
"It's just unbelievable," Jan Brewer said.