If President Trump tunes into Fox News this weekend, he may see something unexpected: a point-by-point fact-check to wild election fraud claims made by some of his favorite hosts on the network. After voting technology company Smartmatic sent Fox News a blistering legal threat that accused the network of participating in a "disinformation campaign" against it, the network has started airing a remarkable news package debunking claims its hosts and guests have propagated. The package aired for the first time Friday night on Lou Dobbs' show. Fox News said the same package would air Saturday night on Jeanine Pirro's program...