C-SPAN caller 'John Barron' goes off on 'slippery Scaramucci' in brief rant

President Donald Trump would use the pseudonym "John Barron" to plant favorable stories about himself in the press, so it was eyebrow-raising when a self-described Florida Republican with that name called C-SPAN on Monday to boost pro-Trump talking points. "A caller who introduced himself as 'John…