“Rarely do you see Donald Trump caught without something to say," said MSNBC's Ari Melber, who shared the 2012 clip.
Barbara Res also pinpointed the moment Trump became "like a cartoon" for her.
“Everybody, we have a chance to do this right, to save the world for humans,” the famed TV "science guy" said.
MSNBC is also planning a climate forum with presidential candidates of both parties later this year, according to reports.
Democrats in congress have gone after President Donald Trump for his racist tweets involving freshman lawmakers like Rep. Alexandria Ocasio-Cortez (D-NY).
Trump concedes he "hardly" knows the MSNBC host but terms him a "total loser. Deutsch recently called Trump a "criminal."
The New York mayor turned a famous Donald Trump insult against the president himself.
MSNBC's Hayes trolled Fox News' Carlson on Instagram.
The police and military "are better people than what Trump wants them to be," said the MSNBC host.
The MSNBC host explained why “next year could be the last year of the humiliation of Mitch McConnell" at the hands of Donald Trump.
The clip he tweeted is from September 2018, and it shows construction work on a barrier that already existed.
A former CIA chief of staff tells her that Putin's alleged advice to Trump on North Korea's capabilities would have been aimed at undermining U.S. missile defense.
The Democrat said he'd "absolutely" take down the barrier in El Paso.
"What is now sadly beyond dispute is that Donald Trump has the cruelest White House staff and the cruelest Cabinet in history."
The conservative MSNBC contributor apologized after making the anti-trans comment on his radio show.
The MSNBC host cited the 25th Amendment, which covers the government's ability to remove a sitting president.
"The Last Word” host said the president's “impeachable offenses” have now become “even more impeachable."