Tucker Carlson, the sidelined prime-time Fox News host, on Tuesday released the first installment of what he said would be his new show on Twitter, potentially setting up a confrontation with the cable network, where he remains under contract until early 2025.
The 10-minute video, Mr. Carlson’s first extended commentary since Fox took him off the air in April, was similar to a stripped-down version of what his roughly three million Fox…