Bill Hemmer recounted the incident to co-host Dana Perino while discussing New York City's COVID-19 vaccine policies.
The “America's Newsroom” co-anchor mixed up some names during a segment about whether critical race theory should be taught in elementary schools.
“I tell you, if they start canceling these American presidents, they’re going to come after Bible characters next," warned Bill Hemmer.
Bill Hemmer told the infectious disease expert "it just seems like there's this aggressiveness toward the Trump administration."
"Sorry, she's a reporter," Bill Hemmer corrected the Trump campaign's Mercedes Schlapp, who had called Welker a "bit of an activist."
The anchor will fill the 3 p.m. slot once occupied by Smith before his abrupt departure from the network in October.
Andrew Napolitano acknowledged that, if he were in the House, he would vote to impeach the president.
"This is someone who said white supremacy is a hoax," Democratic National Committee Vice Chair Michael Blake said.
"The president just wants everything to be investigated,” the senior White House aide told Fox News' Bill Hemmer.
The Democratic National Committee chief said the network’s top managers "feel like they have to put the thumb on the scale.”