(ABC NEWS) -- 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 don't have an alternative to the president.
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