Bill Maher, whose HBO late-night show Real Time with Bill Maher returns to air Friday, was Chris Matthews’ guest on MSNBC’s Hardball tonight.

“In the time you’ve been away and watching this massacre of democracy, this president has been asked whether he’s a Russian agent,” Matthews said, bringing him up to date.

“It’s about time. I’ve been using the word ‘treason’ the whole time he’s been in,” Maher said,

“I hear those words used a lot more, I mean that’s what it is,” he added. “What is it when you plainly are with the people who are not us? Didn’t we see that in Helsinki? Plainly, he was saying, ‘Given the choice, I go with President Putin. President Putin says he didn’t do it, I don’t know why he would.’ Could you imagine if Bush after 9/11 had stood on the rubble with a bullhorn and said ‘Well, Bin Laden says that he didn’t do it, I don’t know why he would have.’

Maher insisted Trump only considers “what is right and good for Donald Trump.”

“So I don’t know how we get out of this except by getting him out of office. I wasn’t necessarily for impeachment until recently, but I think you have to go ahead and do it” Maher argued.

“I think the question for everybody is, whose side are you on? … I want to know what the Republicans — those enablers, the Lindsay Grahams — are thinking? Why are you lying to cover up for this guy and you don’t even know what you’re lying to cover up?”

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Matthews noted the 101 contacts between Trump’s people going in to the presidency and with Russians.

“I’ve spent my life with pretty much getting around and I haven’t met many Russians – maybe one or two by accident,” Matthews said. “There’s all these 100 Russians — I’ve got nothing against people of Russia, but how many contacts can you have without somebody saying, ‘What’s up?’”

Maher forecast the Mueller report would be “more of the same, it’s going to be more of, ‘Look it’s not that complicated; at some point he couldn’t borrow money from anybody else, so he got it from the Russians’ — cut to the hookers and the hotel room. That’s what this whole thing is about. I don’t know whether it was witting or unwitting – as I say when you’re a narcissist like him it doesn’t really matter. He doesn’t think that far ahead.  He just says, at any given moment what he wishes the reality was.”

Matthews, pointing to Trump’s approval numbers having grown and a third of the country now strongly behind him, asked Maher if he still thinks Trump may not leave if elected out, or impeached out of the White House.

“I’ve always said that – he is going to go when he wants to go,” Maher said, reminding Matthews that, in his first election, he said it was rigged until he won and then it wasn’t rigged.

“But, if he loses, he’s already planted that seed with his people that the whole thing is rigged, that they’re all against him — if you can’t trust the FBI and the Justice Department and the rule of law and the judges, well then obviously an election can be faked.”

“He has that army in the street. That’s what dictators want more than anything else. They don’t care about the rule of law, they care about the street — the gutter had come to power, some historian said about Hitler, that’s what this is.”

Matthews asked Maher what he makes of “This Steve King thing,” referencing House Republicans’ decision to strip the congressman from Iowa of his committee seats and officially condemn his most recent white nationalist rhetoric.

“Look where the bar is, that we’re cheering the Republicans because they say we don’t believe in white supremacy. This is how far down we’ve gone,” he said, while conceding, “I’m glad they drew the line somewhere, because I’m beginning to wonder if they would ever draw a line.”