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- Fox News fired Tucker Carlson, host of the most-watched prime-time show on Fox, on Monday.
- The Rupert Murdoch-controlled company has declined to say why it fired Carlson.
- Carlson's involvement in defamation and gender bias lawsuits has been the subject of speculation.
Allegations of sexism and harassment have dogged the most-watched prime-time pundit in the country for years – and on Monday, Fox News fired him.