"We still can't rule out that 2-to-6 percent we can't explain, maybe even otherworldly," the Indiana congressman said of the Pentagon UFO report.
"You have Hamas, a terrorist group. You have a right-wing Israeli government and the situation is getting worse," Sanders said Sunday.
"We have not been able to get our request for Dr. Fauci approved by the Trump administration in the last three months," 'Face the Nation' host Margaret Brennan said.
"[Senators] have control over the proceedings," Schiff said. "And they could have insisted on witnesses and documents and for whatever reason, chose not to."
Donald Trump's daughter and presidential adviser told CBS that while she is still in the White House she wants to "deliver for the forgotten men and women" she has met.
Ivanka Trump discussed her father's feelings in the wake of last week's House vote to impeach the president, saying he is "energized" and so tied up in his 2020 campaign he "didn't even feel like he was being impeached."
Cory Booker said no other Democratic candidate has more endorsements than him from local Iowa and New Hampshire leaders.
The "Face the Nation moderator said that Mike Pence replacing Trump in the event of impeachment would not "undo the election results" as McCarthy had told her.
"I could certainly not understand the weight of the pain that the victims of the families of 9/11 must feel. But I think it is really important for us to make sure that we are not forgetting the aftermath of what happened after 9/11," Omar said.
The president had some surprising answers.
"Of all the cover-up options, spray-on is THE WORST. Even worse than utilizing Michael Cohen," said Avenatti.
"There's a very real prospect that on the day Donald Trump leaves office, the justice department may indict him," Schiff said.
House Democratic leader Nancy Pelosi stressed that the "public has a right to know, and no one is above the law in terms of our having access to that information."
"We need to start using the ballot box and ballot initiatives to take the matters out of the hands of people that are doing nothing."
John Dickerson has hosted "Face the Nation" since 2015.
Former "Face the Nation" host Bob Schieffer tells how he would quiz the presidential candidates.