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Conservative radio host and former Rep. Joe Walsh (R-Ill.) announced on ABC's "This Week" that he is launching a primary challenge to President Trump in 2020.

"We've got a guy in the White House who’s unfit, completely unfit, to be president. And it stuns me that nobody stepped up, nobody in the Republican Party stepped up, because I’ll tell you what, George, everybody believes in the Republican party, everybody believes that he’s unfit."
"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. Again, the litany, he lies every time he opens his mouth. Look at what’s happened this week — the president of the United States, is tweeting us into a recession."

The big picture: Walsh isn't Trump's only primary challenger, as former Gov. Bill Weld (R-Mass.) has already launched a long-shot bid. But the Tea Party Republican would likely offer a different approach to the more traditional Weld, having created a brand for himself as a conservative activist unafraid to ruffle feathers. That has led Walsh to his fair share of controversy, including allegations of racist statements.

  • Walsh apologized for calling President Obama a "Muslim" and a "traitor," telling ABC: "I had strong policy disagreements with Barack Obama and too often I let those policy disagreements get personal."
  • Walsh laid the groundwork for a run at the presidency in a NY Times op-ed last week in which he stated the case for a contender from the right to challenge Trump. In the op-ed, Walsh said he gave Trump "a fair hearing" after voting for him in 2016, but he realized soon after he became president that he couldn’t support him.

The bottom line: President Trump has a near-90% approval rating within the Republican Party, and it will be incredibly difficult for Walsh or any primary challenger to replace him as the nominee.

Go deeper: Trump challenger Joe Walsh has an inflammatory record of his own

Go deeper

California to pay off unpaid rent accrued during COVID-19 pandemic

California Gov. Gavin Newsom. Photo: Jay L. Clendenin / Los Angeles Times via Getty Images

California will pay off the accumulated unpaid rent that has piled up during the COVID-19 pandemic, the AP reports.

Why it matters: The move would fulfill a promise to landlords to help them to break even, while giving renters relief, the AP writes.

U.S. announces destinations for 55 million more COVID vaccine doses

President Biden at a press conference on the final day of the G7 summit. Photo: Brendan Smialowski/AFP via Getty Images

The Biden administration on Monday announced a list of countries that will receive the remaining 55 million COVID-19 vaccine doses that the U.S. has pledged to allocate by the end of this month.

The state of play: The White House had previously named the recipients of the first 25 million of the 80 million doses that the U.S. has pledged to export, as it took its first step toward becoming a global vaccine supplier.