"Wherever you find this decadent decay, you're going to find Democrats having run the operation, or the city, the state, whatever it is, the county for decades," the right-wing radio host said.
"He is the president of all America. He should not be doing this," April Ryan said.
"Trump's Mar-a-Lago is full of parasites. It's infested," Joy Reid said.
Trump defended his remarks against Elijah Cummings and his Baltimore district as "nothing racist," before then calling Cummings a "racist."
Mia Love argued that "this is exactly what the Russians want" and "exactly what our enemies want, to see Americans just tear each other up, and the president has gone way too far."
"I, uh, I, look I — I didn't do the tweets, Chuck. I can't talk about why he did what he did," Rick Scott told Meet the Press Sunday.
The hashtag was sparked by an editorial from The Baltimore Sun titled "Better to have a few rats than to be one," which was published on Sunday in response to the president's tweets slamming the city of Baltimore and Mayland Rep. Elijah Cummings.
"Repairs were made only after the county threatened to withhold rent or issue fines," former Baltimore County Executive Kevin Kamenetz said in 2017.
Critics of President Trump and his labeling of Baltimore as "disgusting" began posting pictures to social media showing Republican-controlled areas rife with homelessness, poverty and masses of garbage.
"I think you're spending way too much time reading between the lines," Mulvaney said, when confronted with Trump's habit of using vermin metaphors to describe political foes.
"The president is as he usually is or often is, disgusting and racist," Nadler said, labeling Trump's Cummings attacks a "distraction."
"Our job is to bring people together to improve life for all people, not to have a racist president who attacks people because they are African Americans," said Sanders.
In keeping with her commitment to the high road, the former first lady opted to lift up a Baltimore-based group rather than issue an outright condemnation of Trump's remarks.
Warren referred to Cummings as one of her "dearest friends," saying he "is a good man through and through, and he fights for what is just in this country."
The "Baltimore Sun" editorial board on Saturday called Trump "the most dishonest man to ever occupy the Oval Office."
"Your comments are based in ignorance and racism @realDonaldTrump #WeAreBaltimore," Twitter user @lexdraws wrote.
"We all reject racist attacks against him and support his steadfast leadership," Pelosi said about Cummings.
Amid his criticisms, Trump wondered why "so much money [is being] sent to the Elijah Cummings district."
Maryland congressman Elijah Cummings compared the "send her back" chants at a recent rally for President Donald Trump to the civil rights desegregation era of the 1960s, declaring the president a "racist" after years of giving him the benefit of the doubt.
"This is a referendum on the heart and soul of our country," said the senator and presidential candidate.
"It may be we just want to go with fines. But it's either fines and/or prison," the Oversight Committee chairman said.
The White House has said that the senior policy adviser to Trump is "absolutely immune" from congressional testimony.
"Once they state something even related to a congressional purpose, the court, I think, will allow this to go through," said Andrew Napolitano, a former judge.
House Oversight Committee Chairman Elijah Cummings said Bill Clinton's behavior "pales in comparison" to Donald Trump's alleged efforts to obstruct justice.
"It is shocking that the President and senior Administration officials are even considering manipulating release decisions for purely political reasons," three Democratic committee chairmen wrote.
"Whenever it comes to the safety of the president and his family, we ought to do everything that we possibly can," Rep. Elijah Cummings told Newsweek. "And we need to know all the facts."
Rep. Elijah Cummings (D-MD) told reporters that Mazars USA LLP have confirmed they will release the tax returns if they are issued a friendly "subpoena." "We'll get them a subpoena," Cummings said.
"The President must be free to engage in discussions with foreign leaders without fear that those communications will be disclosed and used as fodder for partisan political purposes," the White House counsel wrote in a letter to congressional committee chairmen.
"President Trump's actions violate our Constitution's fundamental principle of checks and balances," House Oversight and Reform Committee Chairman Elijah Cummings said.