WATCH: Trump Primary Challenger Joe Walsh Calls President ‘Nuts,’ ‘Cruel,’ And ‘Incompetent’

On Sunday, conservative talk radio host and former Republican Congressman Joe Walsh announced his intention to primary President Trump on ABC’s “This Week” with George Stephanopoulos.

During the lengthy segment, Walsh and Stephanopoulos discussed several issues, including the talk radio host’s primary motivation for taking on the president. Walsh first told Stephanopoulos that President Trump is “unfit.”