Conservative firebrand former Illinois Rep. Joe Walsh announced Sunday with ABC News Chief Anchor George Stephanopoulos on ABC's "This Week" that he's launching a long-shot Republican presidential primary challenge against President Donald Trump.
"I'm going to run for president," Walsh told Stephanopoulos in an exclusive interview.
When Stephanopoulos pointed out the massive uphill climb Walsh has in front of him in the primary thanks to Trump's overwhelmingly high approval rating within the party, the controversial former congressman argued that conservatives should have an alternative to the president.
"I'm running because he's unfit; somebody needs to step up and there needs to be an alternative. The country is sick of this guy's tantrum -- he's a child," said Walsh, who was elected to the House in the 2010 Tea Party wave, but only served one term before becoming a conservative talk radio host.
Trump campaign communications director Tim Murtaugh sent ABC News a dismissive one-word response to Walsh jumping into the race: "Whatever."
Republican National Committee Chair Ronna McDaniel told ABC News in response to Walsh's announcement, "President Trump enjoys unprecedented support among Republicans. He has already delivered a long list of incredible accomplishments for conservatives and the country. Republicans are firmly behind the president and any effort to challenge him in a primary is bound to go absolutely nowhere."
But while Walsh has argued he plans to make a moral case against the president, Stephanopoulos asked the former congressman if he's the best person to make that argument given his long history of incendiary and controversial statements ranging from using racist slurs on Twitter to promoting falsehoods around former President Barack Obama's birth certificate and religion.
"I helped create Trump, and George, that's not an easy thing to say," Walsh told Stephanopoulos. "I went beyond the policy and the idea differences and I got personal and I got hateful. I said some ugly things about President Obama that I regret."