Fox News was having some technical difficulties on Friday afternoon.Eric Bolling, filling in for Neil Cavuto, wasn't the problem: he was setting up his guests unflappably. The guests, however, couldn't be heard. They could hear Bolling just fine, and their mouths opened enthusiastically -- but nothing came out.It seemed that there was a glitch with the network's remote audio feed, and at least three separate guests launched into their talking points, only for silence to emerge.Read More... More on Video