This Abridge News topic aggregates four unique arguments on different sides of the debate. Here are the quick facts to get you started:

THE QUICK FACTS

On the Monday before Super Tuesday, longtime MSNBC host Chris Matthews came on the air and promptly, tartly announced he was retiring, that "tonight will be my last 'Hardball.'" His language and tone strongly implied he was being pushed out.

As Bernie Sanders surged to the top of the pack at Saturday's Democratic caucuses in Nevada, MSNBC anchor Chris Matthews was having a rough time.

The Hardball host told viewers that if Sanders became the Democratic nominee, Republicans would release opposition research about "what [Sanders] said in the past about world affairs, how far left he is" that would "kill him" in the general election in November.

Media bias is an old constant. It has never and will never go away. A reporter or host can use all the proper, sanitized words he wants, but behind the scenes lie the decisions that went into which stories to pursue and which to drop; where to pull back and where to push forward; who to interview, who to skip; what is most important versus what can be buried or even cut.

And then, of course, there’s the cool kids’ club. True, it more strongly resembles grown and embittered theater kids who never quite made it, but it’s Washington, so things are not very real.

"Fox News Sunday" anchor Chris Wallace on Friday said it is "insane" that Rep. Eric Swalwell (D-Calif.) has discussed impeaching President Trump for a second time, arguing that both Democrats and Republicans need to focus on problems facing the country instead of resorting to "politics of personal destruction."

MSNBC host Chris Matthews said on Thursday that if he were President Donald Trump, he would fire Chief of Staff John Kelly for putting him in a cage and trying control the White House’s paper flow.

White House Press Secretary stepped in it this week. During Tuesday’s briefing, he said this when answering a question related to the recent chemical weapons attack in Syria that killed at least 80 people, including women and children, and the massive missile attack that occurred in response to that heinous assault. He made a reference to Adolf Hitler, saying that he didn’t stoop as low as Syrian President Bashar al-Assad and gas his own people. It was wrong. It was stupid. and it was a total trainwreck since Zyklon B was used to gas victims of the Nazi Holocaust. [emphasis mine]:

A jubilant Chris Matthews hailed Pope Francis's recent comments suggesting that Christians who make a living by manufacturing or selling weapons are hypocrites. Of course back in 2009, Matthews blasted a Catholic bishop for daring to insist that Catholic politicians need to put the teachings of the Church on human life above their fealty to the abortion rights lobby.

Chris Matthews argued Sunday that the passage of the Keystone XL pipeline is imminent regardless of a veto from President Obama.

“I think this time around he’ll veto it. But it’s going to come back again and time again,” the MSNBC host said on “Meet the Press” Sunday morning, The Daily Caller reported.

“Is it a mistake for him to veto it?” host Chuck Todd asked.

“Well, he may feel he has to do it for his environmental supporters, but it’s not going to st

A scandalized Chris Matthews on Friday railed against Dick Cheney for having the audacity to call out Barack Obama's lie on Americans' being able to keep their health insurance.